Segment Reporting (Schedule of NPM Adjustment Items) (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
NPM Adjustment Items [Line Items]
NPM Adjustment Items		$ 90,000,000	$ 664,000,000
Smokeable Products [Member] | Philip Morris USA [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
NPM Adjustment Items [Line Items]
Interest and other debt expense, net	64,000,000	47,000,000	0
Smokeable Products [Member] | Philip Morris USA [Member] | NPM Adjustment to Cost Of Sales [Member] | Non-Participating Manufacturer Arbitration Panel Decision [Member]
NPM Adjustment Items [Line Items]
NPM Adjustment Items		$ 43,000,000	$ 664,000,000