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SHAREHOLDERS' EQUITY (Tables) | 3 Months Ended
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Mar. 31, 2016
Equity [Abstract] |
Schedule of Treasury Stock by Class | Share repurchase activity (in millions, except share amounts):
| Three Months Ended March 31,
| 2016 |  | 2015
| Shares |  | Amount |  | Shares |  | Amount
2015 Repurchase Program - $1 billion | 1,721,413 |  |  | $ | 127 |  |  | — |  |  | $ | — |
2014 Repurchase Program - $650 million | — |  |  | $ | — |  |  | 1,580,747 |  |  | $ | 102 |
Total | 1,721,413 |  |  | $ | 127 |  |  | 1,580,747 |  |  | $ | 102 |
Schedule of Accumulated Other Comprehensive Income (Loss) | Components of accumulated other comprehensive income (loss), net of tax (in millions):
| March 31, 2016 |  | December 31, 2015
Marketable securities | $ | 5 |  |  | $ | (3 | )
Employee benefit plans | (285 | ) |  | (288 | )
Interest rate derivatives | (14 | ) |  | (12 | )
Total | $ | (294 | ) |  | $ | (303 | )

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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