| Cash Flow, Supplemental Disclosures [Text Block] |
19. Supplemental Cash Flow Information
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($ in millions)
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2012
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2011
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2010
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Supplemental cash flow information
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Income taxes received/(paid), net
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$
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202
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$
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(91)
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$
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(50)
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Interest received/(paid), net
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(230)
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(225)
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(253)
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Supplemental non-cash investing and financing activity
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Increase/(decrease) in other accounts payable related to purchases of property and equipment
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12
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8
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(20)
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Purchase of property and equipment and software through capital leases and a note payable
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129
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4
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1
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