DEBT (Senior Notes Offering) (Details) - USD ($)	1 Months Ended
	May 31, 2016	Mar. 31, 2015	Dec. 31, 2016
Debt Instrument [Line Items]
Unamortized discount			$ 13,000,000
3.45% Senior Notes due June 2026 [Member]
Debt Instrument [Line Items]
Face amount of debt	$ 500,000,000
Debt issuance cost	$ 4,000,000
Debt instrument, interest rate	3.45%		3.45%
Unamortized discount	$ 1,000,000
2015 Senior Notes [Member]
Debt Instrument [Line Items]
Face amount of debt		$ 1,200,000,000.0
Debt issuance cost		11,000,000
2.50% Senior Notes due March 2020 [Member]
Debt Instrument [Line Items]
Face amount of debt		$ 300,000,000
Debt instrument, interest rate		2.50%	2.50%
Unamortized discount		$ 1,000,000
3.50% Senior Notes due March 2025 [Member]
Debt Instrument [Line Items]
Face amount of debt		$ 600,000,000
Debt instrument, interest rate		3.50%	3.50%
4.70% Senior Notes due March 2045 [Member]
Debt Instrument [Line Items]
Face amount of debt		$ 300,000,000
Debt instrument, interest rate		4.70%	4.70%