Schedule II: Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

GILEAD SCIENCES, INC.

Schedule II: Valuation and Qualifying Accounts

(in millions)

	Balance at Beginning of Period		Additions/Charged to Expense		Deductions		Balance at End of Period
Year ended December 31, 2019:
Accounts receivable allowances(1)	$	583	$	7,514	$	7,339	$	758
Sales return allowance	$	159	$	121	$	143	$	137
Valuation allowances for deferred tax assets	$	331	$	3	$	117	$	217
Year ended December 31, 2018:
Accounts receivable allowances(1)	$	455	$	7,572	$	7,444	$	583
Sales return allowance	$	162	$	85	$	88	$	159
Valuation allowances for deferred tax assets	$	162	$	170	$	1	$	331
Year ended December 31, 2017:
Accounts receivable allowances(1)	$	763	$	7,682	$	7,990	$	455
Sales return allowance	$	195	$	23	$	56	$	162
Valuation allowances for deferred tax assets	$	126	$	72	$	36	$	162
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Allowances are for doubtful accounts, cash discounts and chargebacks.