CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common shares:	Other capital:	Retained earnings:	Accumulated other comprehensive loss:
Balance at beginning of period at Dec. 31, 2021		$ 934	$ 8,181	$ 2,131	$ (479)
Issued for exercise of stock options and vested units		2	11
Repurchases of common shares (Note 4)		(4)	(117)
Share-based compensation			8
Other transactions, net			(7)
Net earnings	$ 771			771
Dividends on common shares				(1,223)
Other comprehensive income	$ 29				29
Dividends paid per common share	$ 1.63
Balance at end of period at Mar. 31, 2022	$ 10,237	932	8,076	1,679	(450)
Balance at beginning of period at Dec. 31, 2022	10,749	916	7,691	2,389	(247)
Issued for exercise of stock options and vested units		1	2
Repurchases of common shares (Note 4)		(1)	(34)
Share-based compensation			8
Other transactions, net			(5)
Net earnings	151			151
Dividends on common shares				(802)
Other comprehensive income	$ 7				7
Dividends paid per common share	$ 1.09
Balance at end of period at Mar. 31, 2023	$ 10,076	$ 916	$ 7,662	$ 1,738	$ (240)