Segment Reporting - Net Revenues and Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 5,911	$ 6,062	$ 12,618	$ 12,600
Operating income	713	1,025	1,569	2,061
Unrealized (losses)/gains on hedging activities (mark-to-market impacts)	(2)	33	(187)	49
General corporate expenses	(111)	(79)	(187)	(188)
Amortization of intangibles	(50)	(43)	(93)	(87)
Net gain on divestiture	0	41	0	41
Acquisition-related costs	(10)	(1)	(15)	(1)
Benefit plan non-service income	31	12	64	29
Interest and other expense, net	(85)	(101)	(275)	(181)
Earnings before income taxes	659	936	1,358	1,909
Latin America
Segment Reporting Information [Line Items]
Net revenues	511	737	1,237	1,537
Operating income	(6)	68	72	166
AMEA
Segment Reporting Information [Line Items]
Net revenues	1,237	1,352	2,739	2,893
Operating income	171	191	405	447
Europe
Segment Reporting Information [Line Items]
Net revenues	2,138	2,247	4,722	4,798
Operating income	297	408	769	908
North America
Segment Reporting Information [Line Items]
Net revenues	2,025	1,726	3,920	3,372
Operating income	$ 424	$ 407	$ 805	$ 726