|
Borrowings - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | |
|---|---|---|
|
Aug. 31, 2012
|
Aug. 30, 2012
|
|
| Debt Instrument [Line Items] | ||
| Cash consideration paid on debt exchange | $ 19 | |
| Fixed-to-floating rate trust preferred securities original face amount | 300 | |
| Junior Subordinated Notes Redeemed | 202 | |
| Redemption price of Fixed-to-Floating Rate Trust Preferred Securities | 207 | |
| Percentage of redemption price to liquidation amount of each trust preferred security | 100.00% | |
|
Senior Notes Due 2014 Exchanged For Senior Notes Due 2022
|
||
| Debt Instrument [Line Items] | ||
| Debt instrument maturity year | 2014 | |
| Interest rate | 4.95% | |
| Senior notes, exchange amount | $ 256 | |
|
Senior Notes Due 2022
|
||
| Debt Instrument [Line Items] | ||
| Debt instrument maturity year | 2022 | |
| Interest rate | 3.225% |