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NET INCOME PER SHARE | 6 Months Ended
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Jun. 30, 2015
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 June 30, |  | Six months ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
NUMERATOR: |  |  |  |  |  |  |
Net income | $ | 608 |  |  | $ | 465 |  |  | $ | 1,061 |  |  | $ | 617 |
Incremental income effect of interest on 5.25% convertible notes | 1 |  |  | 1 |  |  | 1 |  |  | 2 |
Net income after assumed conversion | $ | 609 |  |  | $ | 466 |  |  | $ | 1,062 |  |  | $ | 619 |
DENOMINATOR: |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding, basic | 665 |  |  | 690 |  |  | 670 |  |  | 694 |
Dilutive effect of Employee stock options and restricted stock units | 2 |  |  | 2 |  |  | 2 |  |  | 3 |
Dilutive effect of 5.25% convertible notes | 6 |  |  | 6 |  |  | 6 |  |  | 6 |
Adjusted weighted-average shares outstanding, diluted | 673 |  |  | 698 |  |  | 678 |  |  | 703 |
NET INCOME PER SHARE: |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.91 |  |  | $ | 0.67 |  |  | $ | 1.58 |  |  | $ | 0.89 |
Diluted | $ | 0.90 |  |  | $ | 0.67 |  |  | $ | 1.57 |  |  | $ | 0.88 |

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