XML 59 R42.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivative Financial Instruments - Impact of Derivatives on Consolidated Balance Sheet (Detail) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Derivative Assets:    
Derivative assets $ 471 $ 565
Derivative Liabilities:    
Derivative liabilities (1,540) (1,701)
Net total derivatives (1,069) (1,136)
Interest Rate Swaps [Member]    
Derivative Assets:    
Derivative assets 471 565
Derivative Liabilities:    
Derivative liabilities (194) (208)
Cross-Currency Interest Rate Swaps [Member]    
Derivative Liabilities:    
Derivative liabilities (1,166) (1,296)
Other [Member]    
Derivative Liabilities:    
Derivative liabilities (16) (13)
Floor Income Contracts [Member]    
Derivative Liabilities:    
Derivative liabilities (164) (184)
Designated as Hedging Instrument [Member] | Cash Flow [Member]    
Derivative Assets:    
Derivative assets 70 78
Derivative Liabilities:    
Derivative liabilities (56) (76)
Net total derivatives 14 2
Designated as Hedging Instrument [Member] | Fair Value [Member]    
Derivative Assets:    
Derivative assets 391 465
Derivative Liabilities:    
Derivative liabilities (1,197) (1,305)
Net total derivatives (806) (840)
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Cash Flow [Member]    
Derivative Assets:    
Derivative assets 70 78
Derivative Liabilities:    
Derivative liabilities (56) (76)
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Fair Value [Member]    
Derivative Assets:    
Derivative assets 391 465
Derivative Liabilities:    
Derivative liabilities (72) (62)
Designated as Hedging Instrument [Member] | Cross-Currency Interest Rate Swaps [Member] | Fair Value [Member]    
Derivative Liabilities:    
Derivative liabilities (1,125) (1,243)
Trading [Member]    
Derivative Assets:    
Derivative assets 10 22
Derivative Liabilities:    
Derivative liabilities (287) (320)
Net total derivatives (277) (298)
Trading [Member] | Interest Rate Swaps [Member]    
Derivative Assets:    
Derivative assets 10 22
Derivative Liabilities:    
Derivative liabilities (66) (70)
Trading [Member] | Cross-Currency Interest Rate Swaps [Member]    
Derivative Liabilities:    
Derivative liabilities (41) (53)
Trading [Member] | Other [Member]    
Derivative Liabilities:    
Derivative liabilities (16) (13)
Trading [Member] | Floor Income Contracts [Member]    
Derivative Liabilities:    
Derivative liabilities $ (164) $ (184)