Asset Impairments and Unusual Items - Components of (Income) Expense from Divestitures, Asset Impairments (Other Than Goodwill) and Unusual Items (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||
---|---|---|---|---|---|---|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
Extraordinary And Unusual Items [Abstract] | ||||||
(Income) expense from divestitures | $ (8) | $ 1 | ||||
Asset impairments (other than goodwill) | 30 | 45 | 34 | 472 | 79 | 8 |
(Income) expense from divestitures, asset impairments (other than goodwill) and unusual items | $ 464 | $ 79 | $ 9 |