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DEBT (Long-Term Debt) (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2016 | May 31, 2016 | Dec. 31, 2015 | Apr. 30, 2015 | Mar. 31, 2015
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 3,734 |  | $ 3,651 |  |
Debt issuance costs | (24) |  | (25) |  |
Less: current portion of long-term debt | 6 |  | 159 |  |
Total long-term debt, net of current portion | 3,728 |  | 3,492 |  |
3.20% Senior Notes Due 2016 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 0 |  | 150 |  |
Debt instrument, interest rate | 3.20% |  |  | 3.20% |
Debt instrument, maturity date | Apr. 01, 2016 |  |  |  |
2.70% Senior Notes due April 2019 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 300 |  | 300 |  |
Debt instrument, interest rate | 2.70% |  |  |  |
Debt instrument, maturity date | Apr. 01, 2019 |  |  |  |
4.75% Senior Notes due January 2020 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 521 |  | 522 |  |
Debt instrument, interest rate | 4.75% |  |  |  |
Debt instrument, maturity date | Jan. 30, 2020 |  |  |  |
2.50% Senior Notes due March 2020 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 299 |  | 299 |  |
Debt instrument, interest rate | 2.50% |  |  |  | 2.50%
Debt instrument, maturity date | Mar. 30, 2020 |  |  |  |
4.70% Senior Notes due 2021 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 563 |  | 554 |  |
Debt instrument, interest rate | 4.70% |  |  |  |
Debt instrument, maturity date | Apr. 01, 2021 |  |  |  |
4.25% Senior Notes due April 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 307 |  | 313 |  |
Debt instrument, interest rate | 4.25% |  |  |  |
Debt instrument, maturity date | Apr. 01, 2024 |  |  |  |
3.50% Senior Notes due March 2025 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 568 |  | 601 |  |
Debt instrument, interest rate | 3.50% |  |  |  | 3.50%
Debt instrument, maturity date | Mar. 30, 2025 |  |  |  |
3.45% Senior Notes due June 2026 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 469 |  | 0 |  |
Debt instrument, interest rate | 3.45% | 3.45% |  |  |
Debt instrument, maturity date | Jun. 30, 2026 |  |  |  |
6.95% Senior Notes Due 2037 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 174 |  | 247 |  |
Debt instrument, interest rate | 6.95% |  |  |  |
Debt instrument, maturity date | Jul. 01, 2037 |  |  |  |
5.75% Senior Notes Due 2040 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 244 |  | 368 |  |
Debt instrument, interest rate | 5.75% |  |  |  |
Debt instrument, maturity date | Jan. 30, 2040 |  |  |  |
4.70% Senior Notes due March 2045 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt | $ 300 |  | 300 |  |
Debt instrument, interest rate | 4.70% |  |  |  | 4.70%
Debt instrument, maturity date | Mar. 30, 2045 |  |  |  |
Other [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Other | $ 13 |  | $ 22 |  |

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