Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Common Stock	Accumulated Other Comprehensive Loss	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Noncontrolling Interest	Cumulative Effect, Period of Adoption, Adjustment	Total
Balances at Dec. 31, 2019	$ 1	$ (440)	$ (3)	$ 4,030	$ 10	$ (3)	$ 3,601
Comprehensive income:
Net earnings				283			283
Other comprehensive income (loss), net of tax		(31)			1		(30)
Repurchase of common stock				(13)			(13)
Dividends on common stock ($9.00/share)				(10)			(10)
Balances at Dec. 31, 2020	1	(471)		4,287	11		3,828
Comprehensive income:
Net earnings				570	1		571
Other comprehensive income (loss), net of tax		39					39
Acquisition of noncontrolling interests					6		6
Dividends on common stock ($9.00/share)				(10)			(10)
Balances at Dec. 31, 2021	1	(432)		4,847	18		4,434
Comprehensive income:
Net earnings				580	2		582
Other comprehensive income (loss), net of tax		10					10
Distributions to noncontrolling interests					(2)		(2)
Dividends on common stock ($9.00/share)				(10)			(10)
Balances at Dec. 31, 2022	$ 1	$ (422)		$ 5,417	$ 18		$ 5,014