Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME	TREASURY SHARES	NON-CONTROLLING INTERESTS
Balance, beginning of period at Dec. 31, 2019		$ 561	$ 862	$ 15,199	$ (5,055)	$ (3,774)	$ 150
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			6
Issuance of shares under stock compensation plans and employee stock purchase plans			15			168
Other			(1)
Net income attributable to the Company	$ 1,667			1,642			25
Dividend equivalents declared				(9)
Dividends declared				(930)
Other comprehensive (loss) income, net of tax	(93)				(93)
Purchase of treasury shares						0
Net non-controlling interests disposed							(1)
Distributions and other changes							(13)
Balance, end of period at Sep. 30, 2020	$ 8,752	561	882	15,902	(5,148)	(3,606)	161
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 1.84
Balance, beginning of period at Jun. 30, 2020		561	814	16,060	(5,582)	(3,627)	166
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			69
Issuance of shares under stock compensation plans and employee stock purchase plans			(1)			21
Other			0
Net income attributable to the Company	$ 320			316			4
Dividend equivalents declared				(3)
Dividends declared				(471)
Other comprehensive (loss) income, net of tax	434				434
Purchase of treasury shares						0
Net non-controlling interests disposed							0
Distributions and other changes							(9)
Balance, end of period at Sep. 30, 2020	$ 8,752	561	882	15,902	(5,148)	(3,606)	161
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.93
Balance, beginning of period at Dec. 31, 2020	$ 9,260	561	943	16,272	(5,110)	(3,562)	156
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			41
Issuance of shares under stock compensation plans and employee stock purchase plans			50			191
Other			0
Net income attributable to the Company	2,367			2,340			27
Dividend equivalents declared				(8)
Dividends declared				(1,015)
Other comprehensive (loss) income, net of tax	(235)				(235)
Purchase of treasury shares	(734)					(734)
Net non-controlling interests disposed							0
Distributions and other changes							(29)
Balance, end of period at Sep. 30, 2021	$ 9,888	561	1,034	17,589	(5,345)	(4,105)	154
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 2.00
Balance, beginning of period at Jun. 30, 2021		561	945	17,597	(5,153)	(3,842)	156
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			89
Issuance of shares under stock compensation plans and employee stock purchase plans			0			37
Other			0
Net income attributable to the Company	$ 542			537			5
Dividend equivalents declared				(2)
Dividends declared				(543)
Other comprehensive (loss) income, net of tax	(192)				(192)
Purchase of treasury shares						(300)
Net non-controlling interests disposed							0
Distributions and other changes							(7)
Balance, end of period at Sep. 30, 2021	$ 9,888	$ 561	$ 1,034	$ 17,589	$ (5,345)	$ (4,105)	$ 154
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 1.07