Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
Mar. 27, 2020	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amount
U.S. federal statutory tax			$ (1,054)	$ (1,057)	$ (3,039)
Valuation allowance			1,199	512	2,603
Research and development credits			(204)	(189)	(284)
State income tax provision, net of effects on U.S. federal tax			(90)	(94)	(168)
Tax on non-U.S. activities			64	47	7
Impact of CARES Act			(5)	3	(1,175)
Other provision adjustments			121	35	108
Audit settlements		$ 587			(587)
Total income tax expense/(benefit)			$ 31	$ (743)	$ (2,535)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory tax	35.00%		21.00%	21.00%	21.00%
Valuation allowance			(23.90%)	(10.20%)	(18.00%)
Valuation allowance			4.10%	3.80%	2.00%
State income tax provision, net of effects on U.S. federal tax			1.80%	1.90%	1.20%
Tax on non-U.S. activities			(1.30%)	(0.90%)	(0.10%)
Impact of CARES Act			0.10%	(0.10%)	8.10%
Other provision adjustments			(2.40%)	(0.80%)	(0.80%)
Audit settlements					4.10%
Effective income tax rate			(0.60%)	14.70%	17.50%

Effective Income Tax Rate Reconciliation, CARES Act, Amount

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