Consolidated Statement Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 50	$ 73
Less: Noncontrolling interests net income	8	3
Net income attributable to the parent company	42	70
Other comprehensive income (loss) attributable to the parent company, net of tax:
Currency translation adjustments	(17)	44
Unrealized hedging gains and losses	3	8
Unrealized investment and other gains and losses	1	2
Defined benefit plans	8	2
Other comprehensive income (loss) attributable to the parent company	(5)	56
Other comprehensive income (loss) attributable to noncontrolling interests, net of tax:
Currency translation adjustments	(2)	1
Other comprehensive income (loss) attributable to noncontrolling interests	(2)	1
Total comprehensive income attributable to the parent company	37	126
Total comprehensive income attributable to noncontrolling interests	6	4
Total comprehensive income	$ 43	$ 130