Gilead Sciences Inc. (GILD)

Property, plant and equipment is stated at cost less accumulated depreciation and amortization. Depreciation and amortization are recognized using the straight-line method. Repairs and maintenance costs are expensed as incurred. Estimated useful lives in years are generally as follows:

Description	Estimated Useful Life
Buildings and improvements	20-35
Laboratory and manufacturing equipment	4-10
Office and computer equipment	3-7
Leasehold improvements	Shorter of useful life or lease term

Office and computer equipment includes capitalized software. Gilead had unamortized capitalized software costs on the Consolidated Balance Sheets of $129 million as of December 31, 2017 and $141 million as of December 31, 2016. Capitalized interest on construction in-progress is included in property, plant and equipment. Interest capitalized in 2017, 2016 and 2015 was not significant.

Source: 10-K (filing date: 2018-02-27).

Gilead Sciences Inc., Statement of Financial Position, Property, Plant and Equipment

USD $ in millions

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

Item	Description	The company
Property, plant and equipment, gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Gilead Sciences Inc.’s property, plant and equipment, gross increased from 2015 to 2016 and from 2016 to 2017.
Property, plant and equipment, net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Gilead Sciences Inc.’s property, plant and equipment, net increased from 2015 to 2016 and from 2016 to 2017.

Gilead Sciences Inc., Property, Plant and Equipment Ratios

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

Ratio	Description	The company
Average age	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company’s fixed asset base is old or new. Newer assets are likely to be more efficient.	Gilead Sciences Inc.’s average age of depreciable property, plant and equipment improved from 2015 to 2016 but then slightly deteriorated from 2016 to 2017.
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company’s depreciation policy and can be used for comparisons with competitors.	Gilead Sciences Inc.’s estimated total useful life of depreciable property, plant and equipment increased from 2015 to 2016 but then slightly declined from 2016 to 2017 not reaching 2015 level.
Estimated time elapsed since purchase	The approximate age in years of a company’s fixed assets. Useful for comparison purposes.	Gilead Sciences Inc.’s estimated time elapsed since purchase of depreciable property, plant and equipment improved from 2015 to 2016 and from 2016 to 2017.
Estimated remaining life		Gilead Sciences Inc.’s estimated remaining life of depreciable property, plant and equipment increased from 2015 to 2016 but then slightly declined from 2016 to 2017 not reaching 2015 level.

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

2017 Calculations

Ratio	Description	The company
Average age	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company’s fixed asset base is old or new. Newer assets are likely to be more efficient.	Gilead Sciences Inc.’s average age of depreciable property, plant and equipment improved from 2015 to 2016 but then slightly deteriorated from 2016 to 2017.

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

2017 Calculations

Ratio	Description	The company
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company’s depreciation policy and can be used for comparisons with competitors.	Gilead Sciences Inc.’s estimated total useful life of depreciable property, plant and equipment increased from 2015 to 2016 but then slightly declined from 2016 to 2017 not reaching 2015 level.

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

2017 Calculations

Ratio	Description	The company
Estimated time elapsed since purchase	The approximate age in years of a company’s fixed assets. Useful for comparison purposes.	Gilead Sciences Inc.’s estimated time elapsed since purchase of depreciable property, plant and equipment improved from 2015 to 2016 and from 2016 to 2017.

Based on: 10-K (filing date: 2018-02-27), 10-K (filing date: 2017-02-27), 10-K (filing date: 2016-02-24), 10-K (filing date: 2015-02-25), 10-K (filing date: 2014-02-25).

2017 Calculations

Ratio	Description	The company
Estimated remaining life		Gilead Sciences Inc.’s estimated remaining life of depreciable property, plant and equipment increased from 2015 to 2016 but then slightly declined from 2016 to 2017 not reaching 2015 level.