Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Summary of Anticipated Maturity Dates of Financing Receivables and Investments and Weighted Average Yield (Detail)

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Our Portfolio - Summary of Anticipated Maturity Dates of Financing Receivables and Investments and Weighted Average Yield (Detail)
$ in Millions
 9 Months Ended
Sep. 30, 2016
USD ($)
Receivables [Abstract]  
Financing Receivables, Maturities total $ 865
Financing Receivables, Maturities in less than 1 year 1
Financing Receivables, Maturities in 1-5 years 48
Financing Receivables, Maturities in 5-10 years 80
Financing Receivables,Maturities in more than 10 years $ 736
Financing Receivables, weighted average yield total 5.40%
Financing Receivables, weighted average yield in less than 1 year 4.00%
Financing Receivables, weighted average yield in 1-5 years 6.40%
Financing Receivables, weighted average yield in 5-10 years 5.00%
Financing Receivables, weighted average yield in more than 10 years 5.30%
Investments, Maturities total $ 50
Investments, Maturities in less than 1 year 0
Investments, Maturities in 1-5 years 0
Investments, Maturities in 5-10 years 1
Investments, Maturities in more than 10 years $ 49
Investments, weighted average yield total 3.90%
Investments, weighted average yield in less than 1 year 0.00%
Investments, weighted average yield in 1-5 years 0.00%
Investments, weighted average yield in 5-10 years 4.70%
Investments, weighted average yield in more than 10 years 4.00%