Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Millions		Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2019		$ 2,300	$ 859	$ 14,323	$ 16,408	$ (19,812)	$ (1,171)	$ 12,907	$ 90	$ 12,997
Net income (loss)					512			512	11	523
Other comprehensive income (loss)							431	431	1	432
Purchase of common stock for treasury						(105)		(105)		(105)
Shares issued to benefit plans and for option exercises			4	319				323		323
Common dividends					(681)			(681)		(681)
Preferred dividends					(98)			(98)		(98)
Non-controlling interest in HSG (1)	[1]								102	102
Other, net					(21)	(11)		(32)	(13)	(45)
Balance at Dec. 31, 2020		2,300	863	14,642	16,120	(19,928)	(740)	13,257	191	13,448
Net income (loss)					1,906			1,906	29	1,935
Other comprehensive income (loss)							(435)	(435)	(1)	(436)
Purchase of common stock for treasury						(274)		(274)		(274)
Shares issued to benefit plans and for option exercises			4	273				277		277
Common dividends					(812)			(812)		(812)
Preferred dividends					(24)			(24)		(24)
Other, net	[2]					(61)		(59)	(7)	(66)
Redemption of preferred stock	[3]	(700)			(803)			(1,503)		(1,503)
Conversion of preferred stock to common stock		(1,600)	40	1,560
Balance at Dec. 31, 2021		0	907	16,475	16,389	(20,263)	(1,175)	12,333	212	12,545
Net income (loss)					1,316			1,316	70	1,386
Other comprehensive income (loss)							(655)	(655)	(2)	(657)
Purchase of common stock for treasury						(221)		(221)		(221)
Shares issued to benefit plans and for option exercises			3	207				210		210
Common dividends					(926)			(926)		(926)
Other, net					(1)	(48)		(49)	(13)	(62)
Balance at Dec. 31, 2022		$ 0	$ 910	$ 16,682	$ 16,778	$ (20,532)	$ (1,830)	$ 12,008	$ 267	$ 12,275

[1] Refer to Note 3 (HSG Transactions and Acquisitions) in the accompanying notes to the consolidated financial statements for additional information.

[2] Treasury stock includes the deemed surrender to the Company of common stock to satisfy employee tax withholding obligations.

[3] Refer to Note 16 (Shareholders’ Equity) in the accompanying notes to the consolidated financial statements for additional information.