FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Billions	Sep. 29, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding principal amount	$ 14.7	$ 15.3
Unamortized discounts and issuance costs	1.2	1.2
Interest rate swaps | Designated as hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of outstanding interest rate swaps	1.5	1.3
Foreign currency hedges | Designated as hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of outstanding interest rate swaps	4.1	3.5
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of outstanding debt	$ 17.0	$ 15.4