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Our Portfolio - Financing Receivables, Investments, Real Estate and Equity Method Investments - Summary of Anticipated Maturity Dates of Financing Receivables and Investments and Weighted Average Yield (Detail)

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Our Portfolio - Financing Receivables, Investments, Real Estate and Equity Method Investments - Summary of Anticipated Maturity Dates of Financing Receivables and Investments and Weighted Average Yield (Detail) - Jun. 30, 2015 - USD ($)
$ in Millions
Total
Receivables [Abstract]  
Financing Receivables, payment due total $ 689
Financing Receivables, payment due in less than 1 year 1
Financing Receivables, payment due in 1-5 years 140
Financing Receivables, payment due in 5-10 years 46
Financing Receivables, payment due in more than 10 years $ 502
Financing Receivables, weighted average yield total 5.50%
Financing Receivables, weighted average yield in less than 1 year 7.20%
Financing Receivables, weighted average yield in 1-5 years 6.20%
Financing Receivables, weighted average yield in 5-10 years 5.80%
Financing Receivables, weighted average yield in more than 10 years 5.30%
Investments, payment due total $ 28
Investments, payment due in less than 1 year 0
Investments, payment due in 1-5 years 13
Investments, payment due in 5-10 years 0
Investments, payment due in more than 10 years $ 15
Investments, weighted average yield total 5.10%
Investments, weighted average yield in less than 1 year 0.00%
Investments, weighted average yield in 1-5 years 5.70%
Investments, weighted average yield in 5-10 years 0.00%
Investments, weighted average yield in more than 10 years 4.40%