XML 35 R52.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Of Financial Instruments (Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Realized gains/(losses), assets |  |  | $ 0 |  |  |  |  |
Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 2,406 |  | 3,488 |  | 2,352 |  | 3,532 |
Realized gains/(losses), assets | 2 |  | (5) |  | 1 |  | (2) |
Unrealized gains/(losses) included in earnings, assets | 26 |  | 269 |  | 16 |  | 355 |
Unrealized gains/(losses) included in OCI, assets | 25 |  | 15 |  | 31 |  | 21 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | (2) |
Purchases, assets | 17 |  | 66 |  | 22 |  | 67 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (83) |  | (208) |  | (158) |  | (299) |
Sales, assets | (50) |  | (315) |  | (67) |  | (370) |
Transfers into level 3, assets | 20 | [1] | 69 | [1] | 180 | [1] | 155 | [1]
Transfers out of level 3, assets | (68) | [1] | (17) | [1] | (82) | [1] | (95) | [1]
Ending balance, fair value assets | 2,295 |  | 3,362 |  | 2,295 |  | 3,362 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 40 |  | 276 |  | 46 |  | 360 |
Beginning balance, fair value liabilities | 1,372 |  | 5,099 |  | 2,301 |  | 5,039 |
Realized gains/(losses), liabilities | 23 |  | 1,532 |  | 394 |  | 1,521 |
Unrealized gains/(losses included in earnings, liabilities | 52 |  | (1,325) |  | (761) |  | (1,109) |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | (1) |  | 1 |  | (1) |  | (2) |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 3 |  | 0 |  | 3 |  | 0 |
Settlements, liabilities | (54) |  | (1,558) |  | (500) |  | (1,699) |
Sales, liabilities | 0 |  | (1,075) |  | (41) | [2] | (1,076) | [2]
Transfers into Level 3, liabilities | 0 | [1] | 4 | [1] | 0 | [1] | 4 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | (2) | [1] | 0 | [1] | (2) | [1]
Ending balance, fair value liabilities | 1,395 |  | 2,676 |  | 1,395 |  | 2,676 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 52 |  | 180 |  | 44 |  | 289 |
Loans Receivable [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 1,557 |  | 1,819 |  | 1,612 |  | 1,881 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 37 |  | 212 |  | 36 |  | 221 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (55) |  | (68) |  | (109) |  | (137) |
Sales, assets | 0 |  | (173) |  | 0 |  | (175) |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value assets | 1,539 |  | 1,790 |  | 1,539 |  | 1,790 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 37 |  | 212 |  | 36 |  | 207 |
Loan Repurchase Commitments [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 364 |  | 1,176 |  | 359 |  | 1,086 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | (1) |  | 49 |  | 4 |  | 139 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | (110) |  | 0 |  | (110) |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value assets | 363 |  | 1,115 |  | 363 |  | 1,115 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | (1) |  | 49 |  | 4 |  | 139 |
State and municipal bonds [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 62 |  | 23 |  | 19 |  | 103 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 2 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 1 |  | 0 |  | 1 |  | (1) |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | (2) |  | (2) |  | (3) |
Sales, assets | (4) |  | 0 |  | (3) |  | (12) |
Transfers into level 3, assets | 0 | [1] | 42 | [1] | 44 | [1] | 42 | [1]
Transfers out of level 3, assets | (2) | [1] | 0 | [1] | (2) | [1] | (68) | [1]
Ending balance, fair value assets | 57 |  | 63 |  | 57 |  | 63 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign Government Debt [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 7 |  | 8 |  | 12 |  | 3 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (4) |  | (8) |  | (9) |  | (8) |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 2 | [1] | 3 | [1] | 2 | [1] | 11 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | (3) | [1]
Ending balance, fair value assets | 5 |  | 3 |  | 5 |  | 3 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Corporate Obligations [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 30 |  | 57 |  | 48 |  | 76 |
Realized gains/(losses), assets | 4 |  |  |  | 3 |  | 2 |
Unrealized gains/(losses) included in earnings, assets | 2 |  | 1 |  | 3 |  | 5 |
Unrealized gains/(losses) included in OCI, assets | (3) |  | 3 |  | (4) |  | 4 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | (1) |
Purchases, assets | 6 |  | 2 |  | 6 |  | 2 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | 0 |  | (2) |  | (1) |
Sales, assets | (4) |  | 0 |  | (22) |  | (24) |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 3 | [1] | 0 | [1]
Transfers out of level 3, assets | (1) | [1] | 0 | [1] | (1) | [1] | 0 | [1]
Ending balance, fair value assets | 34 |  | 63 |  | 34 |  | 63 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 2 |  | 1 |  | 2 |  | 5 |
Corporate Obligations [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 64 |  | 79 |  | 48 |  | 78 |
Realized gains/(losses), assets | 0 |  | (4) |  | 0 |  | (4) |
Unrealized gains/(losses) included in earnings, assets | 0 |  | (6) |  | 0 |  | (8) |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 6 |  | 0 |  | 6 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (2) |  | (2) |  | (3) |  | (3) |
Sales, assets | 0 |  | (25) |  | 0 |  | (24) |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 17 | [1] | 3 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value assets | 62 |  | 48 |  | 62 |  | 48 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | (1) |  | 1 |  | (1) |
Residential Mortgage Backed Agency [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 29 |  | 0 |  | 0 |  | 0 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | 0 |  | 0 |  | 0 |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 8 | [1] | 3 | [1] | 37 | [1] | 3 | [1]
Transfers out of level 3, assets | (29) | [1] | 0 | [1] | (29) | [1] | 0 | [1]
Ending balance, fair value assets | 8 |  | 3 |  | 8 |  | 3 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Residential Mortgage Backed Non Agency [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 0 |  | 1 |  | 6 |  | 4 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | (1) |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | 0 |  | 0 |  | (3) |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | (5) | [1] | 0 | [1]
Ending balance, fair value assets | 0 |  | 1 |  | 0 |  | 1 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Residential Mortgage Backed Non Agency [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 5 |  | 6 |  | 4 |  | 6 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | (1) |  | (1) |  | (1) |  | 6 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (1) |  | 0 |  | (1) |  | (7) |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 1 | [1] | 0 | [1] | 2 | [1] | 1 | [1]
Transfers out of level 3, assets | 0 | [1] | (3) | [1] | 0 | [1] | (4) | [1]
Ending balance, fair value assets | 4 |  | 2 |  | 4 |  | 2 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Commercial Mortgage Backed Securities [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 14 |  | 13 |  | 14 |  | 28 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 4 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (12) |  | 0 |  | (13) |  | 0 |
Sales, assets | 0 |  | 0 |  | 0 |  | (19) |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 1 | [1] | 1 | [1]
Transfers out of level 3, assets | (1) | [1] | 0 | [1] | (1) | [1] | (1) | [1]
Ending balance, fair value assets | 1 |  | 13 |  | 1 |  | 13 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Commercial Mortgage Backed Securities [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 3 |  | 28 |  | 3 |  | 7 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | (3) |  | 0 |  | (3) |  | 1 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | 0 |  | 0 |  | 0 |
Sales, assets | 0 |  | (24) |  | 0 |  | (24) |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 20 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value assets | 0 |  | 4 |  | 0 |  | 4 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 1 |
Collateralized Debt Obligations [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 115 |  | 37 |  | 82 |  | 31 |
Realized gains/(losses), assets | (2) |  | (1) |  | (2) |  | (2) |
Unrealized gains/(losses) included in earnings, assets | 1 |  | 0 |  | 1 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 24 |  | 2 |  | 27 |  | 4 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 61 |  | 5 |  | 61 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (3) |  | (8) |  | (5) |  | (12) |
Sales, assets | (41) |  | (5) |  | (41) |  | (5) |
Transfers into level 3, assets | 2 | [1] | 9 | [1] | 35 | [1] | 19 | [1]
Transfers out of level 3, assets | (1) | [1] | (10) | [1] | (7) | [1] | (11) | [1]
Ending balance, fair value assets | 95 |  | 85 |  | 95 |  | 85 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 1 |  | 0 |  | 1 |
Collateralized Debt Obligations [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 14 |  | 117 |  | 22 |  | 125 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | (7) |  | 0 |  | (10) |  | (9) |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 5 |  | 0 |  | 5 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (2) |  | (1) |  | (4) |  | (1) |
Sales, assets | 0 |  | (86) |  | 0 |  | (85) |
Transfers into level 3, assets | 1 | [1] | 0 | [1] | 1 | [1] | 1 | [1]
Transfers out of level 3, assets | 0 | [1] | 0 | [1] | (3) | [1] | (1) | [1]
Ending balance, fair value assets | 6 |  | 35 |  | 6 |  | 35 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 3 |  | 1 |  | 4 |
Other Asset Backed [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 85 |  | 67 |  | 58 |  | 26 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 3 |  | (1) |  | 8 |  | (1) |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 11 |  | 3 |  | 11 |  | 4 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (2) |  | (3) |  | (4) |  | (5) |
Sales, assets | (1) |  | 0 |  | (1) |  | 0 |
Transfers into level 3, assets | 6 | [1] | 2 | [1] | 30 | [1] | 44 | [1]
Transfers out of level 3, assets | (20) | [1] | (4) | [1] | (20) | [1] | (4) | [1]
Ending balance, fair value assets | 82 |  | 64 |  | 82 |  | 64 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 0 |  | 0 |  | 0 |
Other Asset Backed [Member] | Variable Interest Entity Primary Beneficiary [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 42 |  | 47 |  | 54 |  | 64 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | (4) |  | 14 |  | (16) |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | 0 |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | (2) |  | (6) |  | (6) |  | (9) |
Sales, assets | 0 |  | (2) |  | 0 |  | (2) |
Transfers into level 3, assets | 0 | [1] | 10 | [1] | 4 | [1] | 10 | [1]
Transfers out of level 3, assets | (10) | [1] | 0 | [1] | (10) | [1] | 0 | [1]
Ending balance, fair value assets | 26 |  | 63 |  | 26 |  | 63 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | 0 |  | 11 |  | 0 |  | 4 |
Medium Term Notes [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 215 |  | 181 |  | 203 |  | 165 |
Realized gains/(losses), liabilities | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses included in earnings, liabilities | 3 |  | 5 |  | 15 |  | 25 |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | (1) |  | 2 |  | (1) |  | (2) |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Settlements, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Sales, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Transfers into Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value liabilities | 217 |  | 188 |  | 217 |  | 188 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 2 |  | 7 |  | 14 |  | 23 |
Credit Derivatives [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 309 |  | 2,994 |  | 1,147 |  | 2,921 |
Realized gains/(losses), liabilities | 23 |  | 1,532 |  | 364 |  | 1,521 |
Unrealized gains/(losses included in earnings, liabilities | 23 |  | (1,350) |  | (815) |  | (1,277) |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Settlements, liabilities | (23) |  | (1,532) |  | (364) |  | (1,521) |
Sales, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Transfers into Level 3, liabilities | 0 | [1] | 4 | [1] | 0 | [1] | 4 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value liabilities | 332 |  | 1,648 |  | 332 |  | 1,648 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 24 |  | 162 |  | (6) |  | 218 |
Credit Derivatives [Member] | Liabilities Of Consolidated Vies [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 0 |  | 0 |  | 0 |  | 0 |
Realized gains/(losses), liabilities | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses included in earnings, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Settlements, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Sales, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Transfers into Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value liabilities | 0 |  | 0 |  | 0 |  | 0 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Interest Rate Derivatives [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities |  |  | (1) |  |  |  | (1) |
Realized gains/(losses), liabilities |  |  | 0 |  |  |  | 0 |
Unrealized gains/(losses included in earnings, liabilities |  |  | 1 |  |  |  | 2 |
Unrealized gains/(losses) included in OCI, liabilities |  |  | 0 |  |  |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities |  |  | 1 |  |  |  | 0 |
Purchases, liabilities |  |  | 0 |  |  |  | 0 |
Issuances, liabilities |  |  | 0 |  |  |  | 0 |
Settlements, liabilities |  |  | 0 |  |  |  | 0 |
Sales, liabilities |  |  | 0 |  |  |  | 0 |
Transfers into Level 3, liabilities |  |  | 0 | [1] |  |  | 0 | [1]
Transfers out of Level 3, liabilities |  |  | (1) | [1] |  |  | (1) | [1]
Ending balance, fair value liabilities |  |  | 0 |  |  |  | 0 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities |  |  | (6) |  |  |  | (6) |
Other Derivative Liabilities [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 31 |  |  |  | 0 |  |  |
Realized gains/(losses), liabilities | 0 |  |  |  | 30 |  |  |
Unrealized gains/(losses included in earnings, liabilities | 2 |  |  |  | 3 |  |  |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  |  |  | 0 |  |  |
Foreign exchange recognized in OCI or earnings, liabilities | 0 |  |  |  | 0 |  |  |
Purchases, liabilities | 0 |  |  |  | 0 |  |  |
Issuances, liabilities | 0 |  |  |  | 0 |  |  |
Settlements, liabilities | 0 |  |  |  | 0 |  |  |
Sales, liabilities | 0 |  |  |  | 0 |  |  |
Transfers into Level 3, liabilities | 0 | [1] |  |  | 0 | [1] |  |
Transfers out of Level 3, liabilities | 0 | [1] |  |  | 0 | [1] |  |
Ending balance, fair value liabilities | 33 |  |  |  | 33 |  |  |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 2 |  |  |  | 3 |  |  |
Variable Interest Entity Notes [Member] | Liabilities Of Consolidated Vies [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 812 |  | 1,901 |  | 940 |  | 1,932 |
Realized gains/(losses), liabilities | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses included in earnings, liabilities | 18 |  | 24 |  | 36 |  | 146 |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 3 |  | 0 |  | 3 |  | 0 |
Settlements, liabilities | (31) |  | (26) |  | (136) |  | (178) |
Sales, liabilities | 0 |  | (1,075) |  | (41) |  | (1,076) |
Transfers into Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value liabilities | 802 |  | 824 |  | 802 |  | 824 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 18 |  | 24 |  | 33 |  | 59 |
Currency Derivatives [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities |  |  | 1 |  |  |  | 1 |
Realized gains/(losses), liabilities |  |  | 0 |  |  |  | 0 |
Unrealized gains/(losses included in earnings, liabilities |  |  | (1) |  |  |  | 0 |
Unrealized gains/(losses) included in OCI, liabilities |  |  | 0 |  |  |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities |  |  | 1 |  |  |  | 0 |
Purchases, liabilities |  |  | 0 |  |  |  | 0 |
Issuances, liabilities |  |  | 0 |  |  |  | 0 |
Settlements, liabilities |  |  | 0 |  |  |  | 0 |
Sales, liabilities |  |  | 0 |  |  |  | 0 |
Transfers into Level 3, liabilities |  |  | 0 | [1] |  |  | 0 | [1]
Transfers out of Level 3, liabilities |  |  | (1) | [1] |  |  | (1) | [1]
Ending balance, fair value liabilities |  |  | 0 |  |  |  | 0 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities |  |  | 0 |  |  |  | 0 |
Currency Derivatives [Member] | Liabilities Of Consolidated Vies [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value liabilities | 5 |  | 23 |  | 11 |  | 21 |
Realized gains/(losses), liabilities | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses included in earnings, liabilities | 6 |  | (4) |  | 0 |  | (5) |
Unrealized gains/(losses) included in OCI, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, liabilities | 0 |  | (3) |  | 0 |  | 0 |
Purchases, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Issuances, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Settlements, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Sales, liabilities | 0 |  | 0 |  | 0 |  | 0 |
Transfers into Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Transfers out of Level 3, liabilities | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1]
Ending balance, fair value liabilities | 11 |  | 16 |  | 11 |  | 16 |
Change in unrealized gains/(losses) for the period included in earnings for liabilities still held, liabilities | 6 |  | (7) |  | 0 |  | (5) |
Perpetual Debt And Equity Securities [Member] | Fair Value Inputs Level 3 [Member] |  |  |  |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |  |  |  |
Beginning balance, fair value assets | 15 |  | 10 |  | 11 |  | 14 |
Realized gains/(losses), assets | 0 |  | 0 |  | 0 |  | 0 |
Unrealized gains/(losses) included in earnings, assets | 2 |  | 0 |  | 2 |  | 0 |
Unrealized gains/(losses) included in OCI, assets | 0 |  | 0 |  | 0 |  | 0 |
Foreign exchange recognized in OCI or earnings, assets | 0 |  | 0 |  | 0 |  | (1) |
Purchases, assets | 0 |  | 0 |  | 0 |  | 0 |
Issuances, assets | 0 |  | 0 |  | 0 |  | 0 |
Settlements, assets | 0 |  | 0 |  | 0 |  | 0 |
Sales, assets | 0 |  | 0 |  | 0 |  | 0 |
Transfers into level 3, assets | 0 | [1] | 0 | [1] | 4 | [1] | 0 | [1]
Transfers out of level 3, assets | (4) | [1] | 0 | [1] | (4) | [1] | (3) | [1]
Ending balance, fair value assets | 13 |  | 10 |  | 13 |  | 10 |
Change in unrealized gains/(losses) for the period included in earnings for assets still held, assets | $ 2 |  | $ 0 |  | $ 2 |  | $ 0 |
[1] | (1) - Transferred in and out at the end of the period.
[2] | Primarily relates to the deconsolidation of VIEs.

X
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis In Foreign Exchange Recognized Other Comprehensive Income or Earnings, Assets + References No definition available. + Details
Name: | mbi_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisInForeignExchangeRecognizedOtherComprehensiveIncomeOrEarningsAssets
Namespace Prefix: | mbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis In Foreign Exchange Recognized Other Comprehensive Income or Earnings, Liabilities + References No definition available. + Details
Name: | mbi_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisInForeignExchangeRecognizedOtherComprehensiveIncomeOrEarningsLiabilities
Namespace Prefix: | mbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant