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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Domestic and Foreign Components of Income (Loss) Before Income Taxes

The domestic and foreign components of income (loss) before income taxes were as follows (in millions):

		Years Ended December 31,
		2021				2020				2019
Domestic		$	(257	)		$	(2,169	)		$	(4,501	)
Foreign			27				(610	)			(1,961	)
		$	(230	)		$	(2,779	)		$	(6,462	)

Components of Provision for Income Taxes

The components of the provision for income taxes consisted of (in millions):

		Years Ended December 31,
		2021				2020				2019
Current:
Federal		$	4			$	(279	)		$	(7	)
State			(1	)			(4	)			4
Foreign			23				106				60
Total current income tax provision			26				(177	)			57
Deferred:
Federal			(1	)			7				(344	)
State			—				—				(18	)
Foreign			(10	)			(72	)			(64	)
Total deferred income tax provision			(11	)			(65	)			(426	)
Total income tax provision		$	15			$	(242	)		$	(369	)

Difference Between Effective Tax Rate

The difference between the effective tax rate reflected in the provision for income taxes and the U.S. federal statutory rate was as follows (in millions):

		Years Ended December 31,
		2021				2020				2019
Federal income tax at U.S. statutory rate		$	(48	)		$	(584	)		$	(1,357	)
Foreign income tax rate differential			(9	)			(30	)			(40	)
Goodwill impairment			—				271				666
Reduction of FTC carryforwards			—				184				—
Tax Benefit from CARES Act			—				(83	)			—
Change in deferred tax valuation allowance			31				(83	)			218
Nondeductible expenses			17				44				61
Foreign dividends, net of foreign tax credits			54				28				163
Change in uncertain tax positions			13				20				(60	)
State income taxes - net of federal benefit			(1	)			(4	)			(16	)
Income tax credits			(11	)			—				—
Other			(31	)			(5	)			(4	)
Total income tax provision		$	15			$	(242	)		$	(369	)

Significant Components of Deferred Tax Assets and Liability

Significant components of our deferred tax assets and liabilities were as follows (in millions):

		December 31,
		2021				2020
Deferred tax assets:
Allowances and operating liabilities		$	297			$	318
Net operating loss carryforwards			446				387
Stock Compensation			56				61
Tax credit carryforwards			398				411
Other			135				122
Valuation allowance			(1,127	)			(1,093	)
Total deferred tax assets			205				206
Deferred tax liabilities:
Tax over book depreciation			56				60
Capital leases			76				80
Intangible assets			52				49
Deferred income			51				47
Accrued tax on unremitted earnings			33				33
Other			3				15
Total deferred tax liabilities			271				284
Net deferred tax liability		$	66			$	78

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in millions):

		2021				2020				2019
Unrecognized tax benefit at beginning of year		$	57			$	38			$	98
Gross increase for tax positions in prior years			8				25				10
Gross decrease for tax positions in prior years			(1	)			(2	)			(60	)
Cash Settlements			(1	)			(1	)			(3	)
Lapse of statute of limitations			(3	)			(3	)			(7	)
Unrecognized tax benefit at end of year		$	60			$	57			$	38

Summary of Net Operating Loss Carryforwards

Net operating loss carryforwards by jurisdiction and expiration as of December 31, 2021 were as follows (in millions):

		Federal				State				Foreign				Total
2021 - 2025 Expiration		$	19			$	4			$	244			$	267
2026 - 2040 Expiration			31				383				381				795
Unlimited Expiration			505				—				646				1,151
Total Net Operating Loss (NOL)		$	555			$	387			$	1,271			$	2,213
Tax Effected NOL		$	117			$	25			$	304			$	446

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