FINANCIAL INSTRUMENTS (Narrative) (Detail)	Dec. 31, 2018	Dec. 31, 2017	Apr. 04, 2017	Jun. 12, 2016	Sep. 23, 2015	Mar. 18, 2015	Sep. 11, 2014	Mar. 11, 2014
4.375% notes due 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	4.375%	4.375%		4.375%
4.95% notes due 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	4.95%	4.95%						4.95%
4.50% notes due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	4.50%	4.50%					4.50%
5.25% notes due 2026
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	5.25%	5.25%			5.25%
4.50% notes due 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	4.50%					4.50%
4.75% notes due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes issued, interest rate	4.75%	4.75%	4.75%