DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Fixed-to-Floating Interest Rate Swaps (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
8.10% debentures due 2022
Derivative [Line Items]
Notional amount	$ 100
Fixed interest rate (as a percent)	8.10%
Floating interest rate (as a percent)	6.00%
Debt instrument, term (in years)	1 month
8.10% debentures due 2022 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	5.90%
2.75% senior notes due 2022
Derivative [Line Items]
Notional amount	$ 1,400
Fixed interest rate (as a percent)	2.75%
Floating interest rate (as a percent)	0.69%
Debt instrument, term (in years)	1 month
2.75% senior notes due 2022 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	0.58%
3.68% notes due 2023
Derivative [Line Items]
Notional amount	$ 200
Fixed interest rate (as a percent)	3.68%
Floating interest rate (as a percent)	1.17%
Debt instrument, term (in years)	1 month
3.68% notes due 2023 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	1.07%
7.63% debentures due 2024
Derivative [Line Items]
Notional amount	$ 25
Fixed interest rate (as a percent)	7.63%
Floating interest rate (as a percent)	2.66%
Debt instrument, term (in years)	6 months
7.63% debentures due 2024 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	2.48%
7.65% debentures due 2029
Derivative [Line Items]
Notional amount	$ 50
Fixed interest rate (as a percent)	7.65%
Floating interest rate (as a percent)	2.77%
Debt instrument, term (in years)	6 months
7.65% debentures due 2029 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	2.57%
5.45% debentures due 2034
Derivative [Line Items]
Notional amount	$ 25
Fixed interest rate (as a percent)	5.45%
Floating interest rate (as a percent)	0.46%
Debt instrument, term (in years)	6 months
5.45% debentures due 2034 | LIBOR
Derivative [Line Items]
Basis spread on variable rate (as a percent)	0.28%