XML 102 R89.htm IDEA: XBRL DOCUMENT v3.19.1
Derivatives (Estimated Fair Value of Derivative Assets and Liabilities after Master Netting Agreements and Cash Collateral) (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Offsetting Assets [Line Items]    
Estimated fair value of derivative assets presented in the consolidated balance sheets $ 8,923 $ 9,068
Estimated fair value of derivative liabilities presented in the consolidated balance sheets 3,809 3,871
Net amount of derivative assets after application of master netting agreements and cash collateral 228 352
Net amount of derivative liabilities after application of master netting agreements and cash collateral 34 69
Over the Counter [Member]    
Offsetting Assets [Line Items]    
Gross estimated fair value of derivative assets 8,485 8,805
Gross estimated fair value of derivative liabilities 3,747 3,758
Gross estimated fair value of derivative assets (2,590) (2,570)
Gross estimated fair value of derivative liabilities (2,590) (2,570)
Cash collateral on derivative assets (3,613) (4,709)
Cash collateral on derivative liabilities 0 0
Securities collateral on derivative assets (2,080) (1,266)
Securities collateral on derivative liabilities (1,126) (1,134)
Cleared [Member]    
Offsetting Assets [Line Items]    
Gross estimated fair value of derivative assets 435 245
Gross estimated fair value of derivative liabilities 37 33
Gross estimated fair value of derivative assets (22) (25)
Gross estimated fair value of derivative liabilities (22) (25)
Cash collateral on derivative assets (390) (145)
Cash collateral on derivative liabilities (6) 0
Securities collateral on derivative assets 0 0
Securities collateral on derivative liabilities (7) (8)
Exchange-traded    
Offsetting Assets [Line Items]    
Gross estimated fair value of derivative assets 3 18
Gross estimated fair value of derivative liabilities 25 80
Gross estimated fair value of derivative assets 0 (1)
Gross estimated fair value of derivative liabilities 0 (1)
Cash collateral on derivative assets 0 0
Cash collateral on derivative liabilities (12) (57)
Securities collateral on derivative assets 0 0
Securities collateral on derivative liabilities $ (12) $ (7)