CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common shares:	Other capital:	Retained earnings (accumulated deficit):	Accumulated other comprehensive loss:
Balance at beginning of period at Dec. 31, 2020		$ 934	$ 8,208	$ 411	$ (822)
Issued for exercise of stock options and vested units		3	44
Repurchases of common shares (Note 4)		(1)	(25)
Share-based compensation			23
Other transactions, net			(8)
Net earnings	$ 2,191			2,191
Dividends on common shares				(760)
Other comprehensive income (loss)	$ 171				171
Dividends paid per common share	$ 0.51
Balance at end of period at Sep. 30, 2021	$ 10,369	936	8,242	1,842	(651)
Balance at beginning of period at Jun. 30, 2021		937	8,258	1,861	(656)
Issued for exercise of stock options and vested units		0	1
Repurchases of common shares (Note 4)		(1)	(25)
Share-based compensation			8
Other transactions, net			0
Net earnings	482			482
Dividends on common shares				(501)
Other comprehensive income (loss)	$ 5				5
Dividends paid per common share	$ 0.17
Balance at end of period at Sep. 30, 2021	$ 10,369	936	8,242	1,842	(651)
Balance at beginning of period at Dec. 31, 2021	10,767	934	8,181	2,131	(479)
Issued for exercise of stock options and vested units		2	14
Repurchases of common shares (Note 4)		(14)	(390)
Share-based compensation			25
Other transactions, net			(6)
Net earnings	1,869			1,869
Dividends on common shares				(1,490)
Other comprehensive income (loss)	$ 61				61
Dividends paid per common share	$ 1.99
Balance at end of period at Sep. 30, 2022	$ 10,838	922	7,824	2,510	(418)
Balance at beginning of period at Jun. 30, 2022		927	7,954	2,333	(398)
Issued for exercise of stock options and vested units		0	1
Repurchases of common shares (Note 4)		(5)	(140)
Share-based compensation			8
Other transactions, net			1
Net earnings	310			310
Dividends on common shares				(133)
Other comprehensive income (loss)	$ (20)				(20)
Dividends paid per common share	$ 0.18
Balance at end of period at Sep. 30, 2022	$ 10,838	$ 922	$ 7,824	$ 2,510	$ (418)