Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE LOSS	TREASURY SHARES	NON-CONTROLLING INTERESTS
Balance, beginning of period at Dec. 31, 2018		$ 561	$ 817	$ 14,347	$ (4,647)	$ (3,567)	$ 73
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			(101)
Issuance of shares under stock compensation plans and employee stock purchase plans			(35)			182
Other			0
Net income attributable to the Company	$ 727			716			11
Dividend equivalents declared				(2)
Dividends declared				(419)
Other comprehensive loss, net of tax	57				57
Net non-controlling interests disposed							0
Distributions and other changes							(7)
Balance, end of period at Mar. 31, 2019	$ 7,986		681	14,642	(4,590)	(3,385)	77
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.83
Balance, beginning of period at Dec. 31, 2019	$ 7,943	$ 561	862	15,199	(5,055)	(3,774)	150
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in accrued stock compensation costs			(129)
Issuance of shares under stock compensation plans and employee stock purchase plans			14			119
Other			(1)
Net income attributable to the Company	767			754			13
Dividend equivalents declared				(4)
Dividends declared				(459)
Other comprehensive loss, net of tax	(792)				(792)
Net non-controlling interests disposed							(3)
Distributions and other changes							(4)
Balance, end of period at Mar. 31, 2020	$ 7,451		$ 746	$ 15,490	$ (5,847)	$ (3,655)	$ 156
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share (in dollars per share)	$ 0.91