T. Cash flow
Changes in current assets and liabilities, net of acquisitions and dispositions, were as follows:
| Years ended December 31, | ||||||||||||
| In millions | 2013 | 2012 | 2011 | |||||||||
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(Increase) decrease in: |
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Receivables |
$ | (35 | ) | $ | (9 | ) | $ | (40 | ) | |||
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Inventories |
(28 | ) | (71 | ) | (35 | ) | ||||||
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Prepaid expenses |
30 | (48 | ) | 5 | ||||||||
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Increase (decrease) in: |
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Accounts payable and accrued expenses |
(65 | ) | (60 | ) | 5 | |||||||
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Income taxes payable |
16 | 10 | 47 | |||||||||
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| $ | (82 | ) | $ | (178 | ) | $ | (18 | ) | ||||
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| Years ended December 31, | ||||||||||||
| In millions | 2013 | 2012 | 2011 | |||||||||
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Cash paid for: |
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Interest |
$ | 154 | $ | 155 | $ | 146 | ||||||
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Less capitalized interest |
(24 | ) | (27 | ) | (11 | ) | ||||||
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Interest paid, net |
$ | 130 | $ | 128 | $ | 135 | ||||||
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Income tax paid, net |
$ | 27 | $ | 56 | $ | 61 | ||||||