v2.4.1.9
Maturities of Long-Term Debt (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Long Term Debt Maturities Repayments Of Principal [Line Items]  
2015 $ 2,397us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 6,114us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 3,911us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2018 6,529us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2019 6,088us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Thereafter $ 87,894us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive