OTHER FINANCIAL DATA - EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |
|
|
|
|
| Earnings attributable to common shares |
$ 622
|
$ 248
|
$ 991
|
$ 980
|
| Weighted-average common shares outstanding for basic EPS (in shares) |
250,386,000
|
248,432,000
|
250,073,000
|
248,090,000
|
| Dilutive effect of stock options, restricted stock awards and restricted stock units (in shares) |
2,019,000
|
2,592,000
|
1,903,000
|
2,575,000
|
| Weighted-average common shares outstanding for diluted EPS (in shares) |
252,405,000
|
251,024,000
|
251,976,000
|
250,665,000
|
| Basic earnings per common share (in dollars per share) |
$ 2.48
|
$ 1.00
|
$ 3.96
|
$ 3.95
|
| Diluted earnings per common share (in dollars per share) |
$ 2.46
|
$ 0.99
|
$ 3.93
|
$ 3.91
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
|
| Shares excluded from potential dilutive shares if performance goals fully met |
2,273,102
|
2,001,020
|
2,406,512
|
2,047,656
|
| Deferred Compensation Plan [Member] | RSUs [Member] |
|
|
|
|
| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |
|
|
|
|
| Weighted-average common shares outstanding for basic EPS (in shares) |
572,000
|
504,000
|
565,000
|
486,000
|
| RSUs [Member] |
|
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
|
| Antidilutive securities excluded from earnings per share |
0
|
0
|
2,426
|
0
|
| Stock Options [Member] |
|
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
|
| Antidilutive securities excluded from earnings per share |
0
|
0
|
0
|
0
|
| RSAs [Member] |
|
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
|
| Antidilutive securities excluded from earnings per share |
0
|
0
|
0
|
0
|