Consolidated Statement Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 71	$ 60	$ 217	$ 222
Less: Noncontrolling interests net income	3	4	15	10
Net income attributable to the parent company	68	56	202	212
Other comprehensive income (loss) attributable to the parent company, net of tax:
Currency translation adjustments	30	25	(34)	(10)
Hedging gains and losses	(1)	4	(4)	12
Investment and other gains and losses	3		(6)	1
Defined benefit plans	6	(2)	20	4
Other comprehensive income (loss) attributable to the parent company	38	27	(24)	7
Other comprehensive income (loss) attributable to noncontrolling interests, net of tax:
Currency translation adjustments	1	2	(4)	2
Hedging gains and losses	1		1
Other comprehensive income (loss) attributable to noncontrolling interests	2	2	(3)	2
Total comprehensive income attributable to noncontrolling interests	5	6	12	12
Total comprehensive income	111	89	190	231
Parent [Member]
Other comprehensive income (loss) attributable to the parent company, net of tax:
Other comprehensive income (loss) attributable to the parent company	38	27	(24)	7
Other comprehensive income (loss) attributable to noncontrolling interests, net of tax:
Total comprehensive income attributable to the parent company	106	83	178	219
Total comprehensive income	$ 106	$ 83	$ 178	$ 219