Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2013 6.875% senior notes due 2017	Sep. 30, 2014 6.875% senior notes due 2017	Mar. 31, 2013 6.875% senior notes due 2017
Supplemental Cash Flow Information
Interest paid in cash	$ 165	$ 180
Income taxes paid in cash:
U.S. income taxes paid in cash		1
Non-U.S. income taxes paid in cash	91	96
Total income taxes paid in cash	91	97
Debt Instrument
Interest paid note repurchase premiums			$ 10
Interest rate, stated percentage			6.875%	6.875%	6.875%