Segment Reporting (Non-Participating Manufacturer Adjustment Items) (Details) - Non-Participating Manufacturer Arbitration Panel Decision [Member] - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
NPM Adjustment to Cost Of Sales [Member]
Segment Reporting Information [Line Items]
Gain (loss) related to litigation settlement			$ 0
NPM Adjustment to Cost Of Sales And Interest Expense
Segment Reporting Information [Line Items]
Gain (loss) related to litigation settlement	$ (76,000,000)	$ 4,000,000
Operating Segments [Member] | Smokeable Products [Member] | Operating Income (Loss) [Member] | NPM Adjustment to Cost Of Sales [Member] | PM USA [Member]
Segment Reporting Information [Line Items]
Gain (loss) related to litigation settlement	(53,000,000)	4,000,000
Interest and other debt expense, net [Member] | Interest And Other Debt Expense, Net [Member] | NPM Adjustment To Interest Expense [Member]
Segment Reporting Information [Line Items]
Gain (loss) related to litigation settlement	$ (23,000,000)	$ 0