Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net other comprehensive income (loss) recognized during the period, net of tax	$ 518	$ 925	$ 292
Amounts reclassified from accumulated other comprehensive loss, net of tax expense	18	130	119
Pension settlement charge, net of tax expense	314	355
Other, net, tax	$ 2	$ 11	$ 5