CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions		Total		Capital Stock	Cap. In Excess of Par Value of Stock	Retained Earnings	Accumulated Other Comprehensive Income/(Loss) (Note 18)	Treasury Stock	Total		Equity Attributable to Non-controlling Interests	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjustment Retained Earnings	Cumulative Effect, Period of Adoption, Adjustment Total
Beginning balance at Dec. 31, 2019		$ 33,230		$ 41	$ 22,165	$ 20,320	$ (7,728)	$ (1,613)	$ 33,185		$ 45	$ (202)	$ (202)	$ (202)
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		(1,993)		0	0	(1,993)	0	0	(1,993)		0
Other comprehensive income/(loss), net		(733)		0	0	0	(733)	0	(733)		0
Common Stock issued (a)		(15)	[1]	0	(15)	0	0	0	(15)	[1]	0
Treasury stock/other		9		0	0	0	0	6	6		3
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders											0
Dividends and dividend equivalents declared		(598)	[2]	0	0	(598)	0	0	(598)	[2]
Ending balance at Mar. 31, 2020		29,698		41	22,150	17,527	(8,461)	(1,607)	29,650		48
Beginning balance at Dec. 31, 2019		33,230		41	22,165	20,320	(7,728)	(1,613)	33,185		45	$ (202)	$ (202)	$ (202)
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		(875)
Other comprehensive income/(loss), net		(743)
Ending balance at Jun. 30, 2020		$ 30,855		41	22,210	18,645	(8,471)	(1,601)	30,824		31
Increase (Decrease) in Stockholders' Equity
Per share dividend of Common and Class B Stock		$ 0.15
Beginning balance at Mar. 31, 2020		$ 29,698		41	22,150	17,527	(8,461)	(1,607)	29,650		48
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		1,118		0	0	1,117	0	0	1,117		1
Other comprehensive income/(loss), net		(10)		0	0	0	(10)	0	(10)		0
Common Stock issued (a)		60		0	60	0	0	0	60		0
Treasury stock/other		(12)		0	0	0	0	6	6		(18)
Dividend Equivalents, Forfeitures		1				1			1
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders											0
Dividends and dividend equivalents declared				0	0		0	0
Ending balance at Jun. 30, 2020		30,855		41	22,210	18,645	(8,471)	(1,601)	30,824		31
Beginning balance at Dec. 31, 2020		30,811		41	22,290	18,243	(8,294)	(1,590)	30,690		121
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		3,262		0	0	3,262	0	0	3,262		0
Other comprehensive income/(loss), net		(76)		0	0	0	(76)	0	(76)		0
Common Stock issued (a)	[1]	(50)		0	(50)	0	0	0	(50)		0
Treasury stock/other		30		0	0	0	0	5	5		25
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	[2]										0
Dividends and dividend equivalents declared	[2]	(3)		0	0	(3)	0	0	(3)
Ending balance at Mar. 31, 2021		33,974		41	22,240	21,502	(8,370)	(1,585)	33,828		146
Beginning balance at Dec. 31, 2020		30,811		41	22,290	18,243	(8,294)	(1,590)	30,690		121
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		3,815
Other comprehensive income/(loss), net		28
Ending balance at Jun. 30, 2021		34,784		41	22,408	22,062	(8,268)	(1,579)	34,664		120
Beginning balance at Mar. 31, 2021		33,974		41	22,240	21,502	(8,370)	(1,585)	33,828		146
Increase (Decrease) in Stockholders' Equity
Net income/(loss)		553		0	0	561	0	0	561		(8)
Other comprehensive income/(loss), net		104		0	0	0	102	0	102		2
Common Stock issued (a)		168		0	168	0	0	0	168		0
Treasury stock/other		(14)		0	0	0	0	6	6		(20)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders											0
Dividends and dividend equivalents declared		(1)		0	0	(1)	0	0	(1)
Ending balance at Jun. 30, 2021		$ 34,784		$ 41	$ 22,408	$ 22,062	$ (8,268)	$ (1,579)	$ 34,664		$ 120

[1] Includes impacts of share-based compensation.

[2] Dividends and dividend equivalents declared for Common and Class B Stock.