Annual report pursuant to Section 13 and 15(d)

Debt (Details 6)

v2.4.1.9
Debt (Details 6) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Long-term Debt, Unclassified [Abstract]  
2015 $ 257us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 4us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 381us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2018 $ 100us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour