XML 83 R41.htm IDEA: XBRL DOCUMENT v3.3.0.814
Fair Value Measurements - Assets and Liabilities Measured on Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value $ 124 $ 169 $ 111 $ 162
Total gains (losses) included in earnings (21) (26) 6 (12)
Total gains (losses) included in other comprehensive income     (1) 1
Purchases 0 17 0 21
Issuances 0 0 0 0
Sales 0 (8) (3) (10)
Settlements (3) (3) (9) (13)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 (4) 0
Fair value 100 149 100 149
The amount of total (losses) included in earnings attributable to assets held at the reporting date (21) (26) 6 (12)
Available-for-sale securities [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 93 88 103 89
Total gains (losses) included in other comprehensive income     (1) 1
Purchases 0 17 0 21
Issuances 0 0 0 0
Sales 0 (8) (3) (10)
Settlements (2) (3) (4) (7)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 (4) 0
Fair value 91 94 91 94
Available-for-sale securities [Member] | U.S. government and agency obligations [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 2 2 2 2
Purchases 0 0 0 0
Issuances 0 0 0 0
Sales 0 0 0 0
Settlements 0 0 0 0
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value 2 2 2 2
Available-for-sale securities [Member] | Corporate debt securities [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 8 12 14 12
Purchases 0 3 0 3
Issuances 0 0 0 0
Sales 0 (3) (2) (3)
Settlements 0 0 0 0
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 (4) 0
Fair value 8 12 8 12
Available-for-sale securities [Member] | Mortgage-backed securities [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 46 45 48 48
Total gains (losses) included in other comprehensive income     (1) 1
Purchases 0 11 0 12
Issuances 0 0 0 0
Sales 0 (5) 0 (7)
Settlements (1) (1) (2) (4)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value 45 50 45 50
Available-for-sale securities [Member] | Asset-backed securities [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 37 29 39 27
Purchases 0 3 0 6
Issuances 0 0 0 0
Sales 0 0 (1) 0
Settlements (1) (2) (2) (3)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value 36 30 36 30
Derivative        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 31 81 8 73
Total gains (losses) included in earnings (21) (26) 6 (12)
Purchases 0 0 0 0
Issuances 0 0 0 0
Sales 0 0 0 0
Settlements (1) 0 (5) (6)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value 9 55 9 55
The amount of total (losses) included in earnings attributable to assets held at the reporting date (21) (26) 6 (12)
Derivative | Interest rate swap [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 1 3 1 3
Total gains (losses) included in earnings (1) (1) (1)  
Purchases 0 0 0 0
Issuances 0 0 0 0
Sales 0 0 0 0
Settlements (1) 0 (1) (1)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value (1) 2 (1) 2
The amount of total (losses) included in earnings attributable to assets held at the reporting date (1) (1) (1) 0
Derivative | Foreign currency swaps [Member]        
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]        
Fair value 30 78 7 70
Total gains (losses) included in earnings (20) (25) 7 (12)
Purchases 0 0 0 0
Issuances 0 0 0 0
Sales 0 0 0 0
Settlements 0 0 (4) (5)
Transfers in to Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Fair value 10 53 10 53
The amount of total (losses) included in earnings attributable to assets held at the reporting date $ (20) $ (25) $ 7 $ (12)