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, 2017
USD ($)
Receivables [Abstract]  
Financing receivables, maturities total $ 1,062
Financing receivables, maturities in less than 1 year 4
Financing receivables, maturities in 1-5 years 23
Financing receivables, maturities in 5-10 years 77
Financing receivables,maturities in more than 10 years $ 958
Financing receivables, weighted average yield total 5.20%
Financing receivables, weighted average yield in less than 1 year 8.70%
Financing receivables, weighted average yield in 1-5 years 5.20%
Financing receivables, weighted average yield in 5-10 years 4.90%
Financing receivables, weighted average yield in more than 10 years 5.20%
Investments, maturities total $ 131
Investments, maturities in less than 1 year 0
Investments, maturities in 5-10 years 66
Investments, maturities in 1-5 years 1
Investments, maturities in more than 10 years $ 64
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 3.60%
Investments, weighted average yield in 5-10 years 4.70%
Investments, weighted average yield in more than 10 years 4.30%