CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (78)	$ 350	$ 217
Other comprehensive income (loss):
Foreign currency translation adjustments		(57)	(45)	14
Reclassification of foreign currency items to other (income) expense, net		0	1	0
Unrealized holding gain (loss) on securities	[1]	(14)	21	0
Reclassification of net unrealized gain on securities to prepaid expense and other assets	[1]	(7)	0	0
Net gain (loss) on defined benefit pension plans		(41)	85	(28)
Reclassification of net periodic costs related to defined benefit pension plans to selling, general and administrative expense		(11)	2	9
Total other comprehensive income (loss), before income taxes		(130)	64	(5)
Tax impact related to net gains and losses on defined benefit pension plans		7	(33)	9
Tax provision on reclassified amounts of net periodic costs on defined benefit pension plans		2	(2)	(3)
Total other comprehensive income (loss)		(121)	29	1
Total comprehensive income (loss)		$ (199)	$ 379	$ 218

[1] Amount relates to the Company's investment in the debt securities of China Auto Rental which were converted into equity of that entity in April 2014. See Note 5, "Acquisitions and Divestitures"