Share Owners' Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Increase (Decrease) in Share Owners' Equity
Balance at the beginning of the period	$ 1,516	$ 1,512
Net distribution to parent	(8)	(24)
Comprehensive income:
Net earnings	74	125
Foreign currency translation adjustments	(32)	99
Pension and other postretirement benefit adjustments, net of tax	45	24
Change in fair value of derivative instruments	4
Balance at the end of the period	1,599	1,736
Other Contributed Capital
Increase (Decrease) in Share Owners' Equity
Balance at the beginning of the period	124	295
Net distribution to parent	(8)	(24)
Comprehensive income:
Balance at the end of the period	116	271
Retained Earnings
Increase (Decrease) in Share Owners' Equity
Balance at the beginning of the period	2,683	2,344
Comprehensive income:
Net earnings	69	121
Balance at the end of the period	2,752	2,465
Accumulated Other Comprehensive Loss
Increase (Decrease) in Share Owners' Equity
Balance at the beginning of the period	(1,465)	(1,280)
Comprehensive income:
Foreign currency translation adjustments	(28)	92
Pension and other postretirement benefit adjustments, net of tax	45	24
Change in fair value of derivative instruments	4
Balance at the end of the period	(1,444)	(1,164)
Noncontrolling Interests
Increase (Decrease) in Share Owners' Equity
Balance at the beginning of the period	174	153
Comprehensive income:
Net earnings	5	4
Foreign currency translation adjustments	(4)	7
Balance at the end of the period	$ 175	$ 164