Equity Method Investments - Additional Information (Details) $ / shares in Units, € in Millions, $ in Millions							3 Months Ended					6 Months Ended		12 Months Ended
	Jun. 02, 2020 EUR (€) shares	Jun. 02, 2020 USD ($) shares	Jun. 01, 2020 EUR (€) shares	Jun. 01, 2020 USD ($) shares	May 29, 2020 $ / shares shares	Mar. 04, 2020 USD ($) shares	Jun. 30, 2020 USD ($) director	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2020 USD ($) director	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Jul. 09, 2018	Mar. 08, 2016	Mar. 07, 2016
Schedule of Equity Method Investments [Line Items]
Equity method investments							$ 6,659					$ 6,659			$ 7,178
Equity method investment net earnings							106		$ 109			227	$ 275
Cash dividends received from equity method investments							28		28			193	188
Pre-tax gain (loss) on equity method investment transaction							$ 121		(25)			$ 192	$ (2)
JDEP
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage							22.90%					22.90%
Number of shares of equity method investment sold (in shares) | shares			9,700,000	9,700,000	82,100,000
Stock sale price (in dollars per share) | $ / shares					$ 31.50
Percentage of equity method investment ownership after the settlement			26.50%	26.50%
Proceeds from sale of equity method investment			€ 304	$ 343
JDEP | Over-allotment option
Schedule of Equity Method Investments [Line Items]
Pre-tax gain (loss) on equity method investment transaction							$ 121
Number of shares of equity method investment sold (in shares) | shares	1,400,000	1,400,000
Proceeds from sale of equity method investment	€ 46	$ 51
Amount released from accumulated other comprehensive losses in equity method transaction							(33)
Transaction costs							$ 48
KDP
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage						13.10%	13.10%			13.60%		13.10%		13.80%
Number of director positions | director							2					2
Pre-tax gain on sale of equity method investment								$ 71		$ 23
After-tax gain on sale of equity method investment								$ 54		$ 18
Number of shares of equity method investment sold (in shares) | shares						6,800,000
Decrease in equity method investment ownership percentage						0.50%
Amount of equity method investment sold						$ 185
Dong Suh Foods Corporation
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage							50.00%					50.00%
Dong Suh Oil & Fats Co. Ltd.
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage							49.00%					49.00%
KDP and JDEP
Schedule of Equity Method Investments [Line Items]
Fair value of ownership of equity method investment							$ 9,900					$ 9,900
JDE
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage																	26.50%	43.50%
Percentage of equity method investment exchanged			26.40%	26.40%
Keurig
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage																	24.20%
Fair value of ownership of equity method investment											$ 2,000
Pre-tax gain (loss) on equity method investment transaction									$ 29		$ 43
Keurig | Keurig with Dr Pepper Snapple Group, Inc.
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage																24.20%
Pre-tax gain (loss) on equity method investment transaction														$ 778
After-tax gain on equity method investment transaction														$ 586