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NET INCOME PER SHARE | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
NET INCOME PER SHARE | NET INCOME PER SHARE The following table sets forth the computation of basic and diluted net income per share (in millions, except per share amounts):
| Three months ended March 31,
| 2017 |  | 2016
NUMERATOR: |  |  |
Net income | $ | 351 |  |  | $ | 513 |
Incremental income effect of interest on 5.25% convertible notes | — |  |  | 1 |
Net income after assumed conversion | $ | 351 |  |  | $ | 514 |
DENOMINATOR: |  |  |  |  |
Weighted-average shares outstanding, basic | 613 |  |  | 641 |
Dilutive effect of Employee stock options and restricted stock units | 1 |  |  | 1 |
Dilutive effect of 5.25% convertible notes | — |  |  | 6 |
Adjusted weighted-average shares outstanding, diluted | 614 |  |  | 648 |
NET INCOME PER SHARE: |  |  |  |  |
Basic | $ | 0.57 |  |  | $ | 0.80 |
Diluted | $ | 0.57 |  |  | $ | 0.79 |

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