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Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Accounts receivable, allowance for doubtful accounts | $ 273 | $ 295
Other intangible assets, accumulated amortization | 164 | 151
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 1,200,000,000 | 1,200,000,000
Common stock, shares issued | 807,573,277 | 804,894,313
Common stock, shares outstanding | 765,186,316 | 787,607,240
Treasury stock, shares | 42,386,961 | 17,287,073
Variable Interest Entity [Line Items] |  |
Non-recourse debt - current | 2,123 | 2,503
Non-recourse debt - noncurrent | 13,412 | 11,084
Consolidated Variable Interest Entities [Member] |  |
Variable Interest Entity [Line Items] |  |
Non-recourse debt - current | 259 | 1,101
Non-recourse debt - noncurrent | 1,156 | 1,152
Parent Company |  |
Deferred financing costs, accumulated amortization | $ 74 | $ 39

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- Definition The current portion of the entity's non-recourse debt. Non-recourse debt is secured by the capital stock, physical assets, contracts and cash flows of the related subsidiary. The risk is limited to the respective subsidiary business and is without recourse to the Parent Company and other subsidiaries. + References No definition available. + Details
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