Goodwill and Other Intangible Assets, net (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles		$ 44,000,000	$ 38,000,000	$ 21,000,000
Indefinite-lived intangible assets reclassified to definite-lived		170,000,000
Estimated future amortization, year 1	$ 70,000,000	70,000,000
Estimated future amortization, year 2	70,000,000	70,000,000
Estimated future amortization, year 3	70,000,000	70,000,000
Estimated future amortization, year 4	70,000,000	70,000,000
Estimated future amortization, year 5	70,000,000	70,000,000
Goodwill impairment		74,000,000	111,000,000
Accumulated goodwill impairment charges	185,000,000	185,000,000	111,000,000
Impairment of intangible assets (excluding goodwill)			44,000,000
Impairment charges				$ 0
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment charges			$ 54,000,000
UST Litigation [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived trademarks	9,000,000,000.0	9,000,000,000.0
Middleton [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived trademarks	2,600,000,000	2,600,000,000
Smokeable Products [Member]
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets reclassified from indefinite-lived	$ 170,000,000
Wine [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment		$ 74,000,000
Weighted Average [Member] | Definite-Lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets amortization period, weighted average, in years		20 years