Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Unrealized gain/(loss) arising during period, tax	$ 12	$ 49	$ 7	$ 21
Reclassification adjustment for (gain)/loss included in net earnings, tax	0	1	1	(8)
Net actuarial gain/(loss) arising during the period, tax	0	0	2	0
Amortization of actuarial loss included in net periodic pension cost, tax	1	(44)	1	(84)
Amortization of prior service credits included in net periodic pension cost, tax	6	6	12	12
Less: Comprehensive loss related to noncontrolling interest		$ (33)	$ (11)	$ (56)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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