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Other Non-Current Assets - Other Investment and Other Non Current Assets (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Statement Of Financial Position [Abstract] |  |
Available-for-sale equity securities | $ 11 | $ 10
Trading equity securities | 8 | 8
Long-term State receivables | 513 | 470
Long-term receivables from third parties | 7 | 2
Long-term loans to affiliates | 17 | 28
Prepaid for pension | 10 | 5
Deposits and other non-current assets | 34 | 37
Total | $ 600 | $ 560

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