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Nonrecourse Debt - Schedule of Minimum Maturities of Nonrecourse Debt (Detail)

v3.4.0.3
Nonrecourse Debt - Schedule of Minimum Maturities of Nonrecourse Debt (Detail)
$ in Millions
Mar. 31, 2016
USD ($)
Debt Instrument [Line Items]  
Maturity of Nonrecourse debt, 2016 $ 47
Maturity of Nonrecourse debt, 2017 44
Maturity of Nonrecourse debt, 2018 37
Maturity of Nonrecourse debt, 2019 96
Maturity of Nonrecourse debt, 2020 169
Maturity of Nonrecourse debt, Thereafter 268
Total minimum maturities 661
Deferred financing costs, net (15)
Maturity of Nonrecourse debt, Total 646
Asset-Backed Nonrecourse Notes [Member]  
Debt Instrument [Line Items]  
Maturity of Nonrecourse debt, 2016 31
Maturity of Nonrecourse debt, 2017 31
Maturity of Nonrecourse debt, 2018 31
Maturity of Nonrecourse debt, 2019 92
Maturity of Nonrecourse debt, 2020 164
Maturity of Nonrecourse debt, Thereafter 218
Total minimum maturities 567
Deferred financing costs, net (15)
Maturity of Nonrecourse debt, Total 552
Other Nonrecourse Debt [Member]  
Debt Instrument [Line Items]  
Maturity of Nonrecourse debt, 2016 16
Maturity of Nonrecourse debt, 2017 13
Maturity of Nonrecourse debt, 2018 6
Maturity of Nonrecourse debt, 2019 4
Maturity of Nonrecourse debt, 2020 5
Maturity of Nonrecourse debt, Thereafter 50
Total minimum maturities 94
Maturity of Nonrecourse debt, Total $ 94