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Consolidated Condensed Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Consolidated Condensed Statements of Comprehensive Income [Abstract] |  |
Net income | $ 3 | $ 121
Other comprehensive income: |  |
Net foreign currency translation adjustment | 30 | 119
Net change in postretirement benefit plans, net of tax benefit of $0 and $11, respectively | 12 | 20
Net change in unrealized gains on investment securities, net of tax expense of $3 | 0 | (6)
Other comprehensive income | 42 | 133
Comprehensive income | 45 | 254
Net change in postretirement benefit plans, net of tax: |  |
Amortization of prior service costs, net of tax benefit $ 0 | 0 | 1
Amortization of net actuarial loss, net of tax benefit of $0 and $11, respectively | 3 | 19
Unrealized change in net actuarial loss, net of tax expense of $0 | 9 | 0
Net change in postretirement benefit plans, net of tax | 12 | 20
Net change in unrealized gains on investment securities, net of tax: |  |
Unrealized losses arising during period, net of tax benefit of $0 | 0 | (1)
Gains realized during the period, net of tax expense of $3 | 0 | (5)
Net change in unrealized gains on investment securities, net of tax | $ 0 | $ (6)

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