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DEBT (Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total long-term debt	$ 3,762us-gaap_LongTermDebt		$ 3,332us-gaap_LongTermDebt
Less: current portion of long-term debt	518us-gaap_LongTermDebtCurrent		212us-gaap_LongTermDebtCurrent
Total long-term debt, net of current portion	3,244us-gaap_LongTermDebtNoncurrent		3,120us-gaap_LongTermDebtNoncurrent
Floating Rate Senior Notes due 2014 [Member]
Debt Instrument [Line Items]
Total long-term debt	0		200
5.45% Senior Notes Due 2015 [Member]
Debt Instrument [Line Items]
Total long-term debt	500		500
Debt instrument, interest rate	5.45%
Debt instrument, maturity date	Nov. 01, 2015
3.20% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Total long-term debt	304		307
Debt instrument, interest rate	3.20%
Debt instrument, maturity date	Apr. 01, 2016
6.40% Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Total long-term debt	375		375
Debt instrument, interest rate	6.40%
Debt instrument, maturity date	Jul. 01, 2017
2.70% Senior Notes due April 2019 [Member]
Debt Instrument [Line Items]
Total long-term debt	300		0
Debt instrument, interest rate	2.70%	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	524		520
Debt instrument, interest rate	4.75%
Debt instrument, maturity date	Jan. 30, 2020
4.70% Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Total long-term debt	549		533
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	311		0
Debt instrument, interest rate	4.25%	4.25%
Debt instrument, maturity date	Apr. 01, 2024
6.95% Senior Notes Due 2037 [Member]
Debt Instrument [Line Items]
Total long-term debt	421		421
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	439		439
Debt instrument, interest rate	5.75%
Debt instrument, maturity date	Jan. 30, 2040
Other Long-term Debt [Member]
Debt Instrument [Line Items]
Other	$ 39		$ 37