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	13
Repurchases of common shares (Note 4)		(9)	(250)
Share-based compensation			17
Other transactions, net			(7)
Net earnings	$ 1,559			1,559
Dividends on common shares				(1,357)
Other comprehensive income	$ 81				81
Dividends paid per common share	$ 1.81
Balance at end of period at Jun. 30, 2022	$ 10,816	927	7,954	2,333	(398)
Balance at beginning of period at Mar. 31, 2022		932	8,076	1,679	(450)
Issued for exercise of stock options and vested units		0	2
Repurchases of common shares (Note 4)		(5)	(133)
Share-based compensation			9
Other transactions, net			0
Net earnings	788			788
Dividends on common shares				(134)
Other comprehensive income	$ 52				52
Dividends paid per common share	$ 0.18
Balance at end of period at Jun. 30, 2022	$ 10,816	927	7,954	2,333	(398)
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		2	2
Repurchases of common shares (Note 4)		(4)	(81)
Share-based compensation			17
Other transactions, net			(5)
Net earnings	381			381
Dividends on common shares				(942)
Other comprehensive income	$ 22				22
Dividends paid per common share	$ 1.28
Balance at end of period at Jun. 30, 2023	$ 10,141	914	7,624	1,828	(225)
Balance at beginning of period at Mar. 31, 2023		916	7,662	1,738	(240)
Issued for exercise of stock options and vested units		1	0
Repurchases of common shares (Note 4)		(3)	(47)
Share-based compensation			9
Other transactions, net			0
Net earnings	230			230
Dividends on common shares				(140)
Other comprehensive income	$ 15				15
Dividends paid per common share	$ 0.19
Balance at end of period at Jun. 30, 2023	$ 10,141	$ 914	$ 7,624	$ 1,828	$ (225)