Equity Method Investments - Additional Information (Details) $ in Millions				3 Months Ended								12 Months Ended
		Oct. 02, 2017 USD ($)	Mar. 07, 2016 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jul. 09, 2018 director
Schedule of Equity Method Investments [Line Items]
Equity method investments	[1]			$ 7,212				$ 7,123				$ 7,212	$ 7,123
Equity method investment net earnings				105	$ 111	$ 113	$ 113	149	$ 80	$ 87	$ 232	442	548	$ 344
Pre-tax gain (loss) on equity method investment transaction				$ 0	$ 0	(25)	$ 23	$ 21	$ 757	$ 0	$ 0	$ (2)	778	40
JDE
Schedule of Equity Method Investments [Line Items]
Equity method investment, voting interest percentage				26.50%								26.50%
Mondelēz International ownership interests				26.40%								26.40%
Equity method investment, profit and dividend sharing interest percentage				26.30%								26.30%
Cash dividends received from equity method investments												$ 73	49
JDE | Equity Earnings
Schedule of Equity Method Investments [Line Items]
Equity method investment net earnings												195	230	129
Keurig
Schedule of Equity Method Investments [Line Items]
Cash dividends received from equity method investments												$ 115	34	14
Quoted market price of ownership interest in equity method investment			$ 2,000
Pre-tax gain (loss) on equity method investment transaction			$ 43			(29)
Shareholder loan interest payment received													12	30
Keurig | Interest Income
Schedule of Equity Method Investments [Line Items]
Equity method investment net earnings													$ 12	24
Keurig | Keurig with Dr Pepper Snapple Group, Inc.
Schedule of Equity Method Investments [Line Items]
Mondelēz International ownership interests															24.20%
KDP
Schedule of Equity Method Investments [Line Items]
Mondelēz International ownership interests				13.60%			13.60%	13.80%				13.60%	13.80%
Equity method investment net earnings												$ 160	$ 213	$ 92
Quoted market price of ownership interest in equity method investment				$ 5,500								$ 5,500
Pre-tax gain on decrease in ownership interest							$ 23
KDP | Keurig with Dr Pepper Snapple Group, Inc.
Schedule of Equity Method Investments [Line Items]
Mondelēz International ownership interests															13.80%
Pre-tax gain (loss) on equity method investment transaction													778
After-tax gain on equity method investment transaction													$ 586
Number of director positions | director															2
Other Equity Method Investment
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of equity method investments		$ 65
Gain on equity method investment transaction		40				$ 4
Tax expense on sale of equity method investment		$ 15

[1] Includes a basis difference of approximately $330 million as of December 31, 2019 and $340 million as of December 31, 2018 between the U.S. GAAP accounting basis for our equity method investments and the U.S. GAAP accounting basis of our investees’ equity.