Condensed Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) $ in Millions		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Earnings Reinvested in the Business [Member]	Accumulated Other Comprehensive Losses [Member]	Cost of Repurchased Stock [Member]	Non-controlling Interests [Member]
Beginning balance at Dec. 31, 2020		$ 2,925	$ 935	$ 5,910	$ 34,679	$ (4,341)	$ (34,344)	$ 86
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (losses)		847			851			(4)
Other comprehensive earnings (losses), net of deferred income taxes		911				911
Stock award activity		26		13			13
Cash dividends declared		(4,845)			(4,845)
Repurchases of common stock		(972)					(972)
Other	[1]	(157)		(77)				(80)
Ending balance at Sep. 30, 2021		(1,265)	935	5,846	30,685	(3,430)	(35,303)	2
Beginning balance at Jun. 30, 2021		3,259	935	5,840	35,065	(3,602)	(34,981)	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (losses)		(2,722)			(2,722)
Other comprehensive earnings (losses), net of deferred income taxes		172				172
Stock award activity		6		6
Cash dividends declared		(1,658)			(1,658)
Repurchases of common stock		(322)					(322)
Ending balance at Sep. 30, 2021		(1,265)	935	5,846	30,685	(3,430)	(35,303)	$ 2
Beginning balance at Dec. 31, 2021		(1,606)	935	5,857	30,664	(3,056)	(36,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (losses)		3,074			3,074
Other comprehensive earnings (losses), net of deferred income taxes		673				673
Stock award activity		31		16			15
Cash dividends declared		(4,953)			(4,953)
Repurchases of common stock		(1,451)					(1,451)
Ending balance at Sep. 30, 2022		(4,232)	935	5,873	28,785	(2,383)	(37,442)
Beginning balance at Jun. 30, 2022		(2,403)	935	5,861	30,252	(2,377)	(37,074)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (losses)		224			224
Other comprehensive earnings (losses), net of deferred income taxes		(6)				(6)
Stock award activity		12		12
Cash dividends declared		(1,691)			(1,691)
Repurchases of common stock		(368)					(368)
Ending balance at Sep. 30, 2022		$ (4,232)	$ 935	$ 5,873	$ 28,785	$ (2,383)	$ (37,442)

[1] Represents the purchase of the remaining noncontrolling interests in Helix in the second quarter of 2021.