Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component, After Tax and Minority Interest (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 5,184	$ 3,259	$ 4,545
Ending balance	5,466	5,184	3,259
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,402)	(1,284)	(1,156)
Other comprehensive income (loss) before reclassifications	(261)	(118)	(128)	[1]
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Ending balance	(1,663)	(1,402)	(1,284)
Unrealized Gains (Losses) from Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	0	0	0
Other comprehensive income (loss) before reclassifications	1	0	0	[1]
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Ending balance	1	0	0
Unrecognized Net Actuarial Losses and Prior Service Costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,565)	(2,856)	(2,983)
Other comprehensive income (loss) before reclassifications	162	153	(4)	[1]
Amounts reclassified from accumulated other comprehensive loss	188	138	131
Ending balance	(2,215)	(2,565)	(2,856)
Deferred Derivative Gains (Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	4	5	3
Other comprehensive income (loss) before reclassifications	(0)	1	15	[1]
Amounts reclassified from accumulated other comprehensive loss	(2)	(2)	(13)
Ending balance	2	4	5
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3,963)	(4,135)	(4,136)
Other comprehensive income (loss) before reclassifications	(98)	36	(117)	[1]
Amounts reclassified from accumulated other comprehensive loss	186	136	118
Ending balance	$ (3,875)	$ (3,963)	$ (4,135)

[1] Includes adjustments to AOCL of $27 million in 2020 to adjust the prior year obligation of our frozen U.K. pension plan.