FINANCING ARRANGEMENTS - Summary of Aggregate Principal Amounts Validly Tendered and Accepted (Details) - Existing Unsecured Senior Notes - USD ($)	Dec. 31, 2022	Sep. 30, 2022	Dec. 03, 2020	May 26, 2020
Extinguishment of Debt [Line Items]
Total	$ 927,000,000
Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 5,594,000,000
9.00% Senior Notes due 2025
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	9.00%
9.00% Senior Notes due 2025 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 541,000,000
Stated interest rate on debt (as a percent)		9.00%
9.25% Senior Notes due 2026
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	9.25%
9.25% Senior Notes due 2026 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 752,000,000
Stated interest rate on debt (as a percent)		9.25%
8.50% Senior Notes due 2027
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	8.50%
8.50% Senior Notes due 2027 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 1,099,000,000
Stated interest rate on debt (as a percent)		8.50%
7.00% Senior Notes due 2028
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	7.00%
7.00% Senior Notes due 2028 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 540,000,000
Stated interest rate on debt (as a percent)		7.00%
5.00% Senior Notes due 2028
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	5.00%
5.00% Senior Notes due 2028 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 710,000,000
Stated interest rate on debt (as a percent)		5.00%
7.25% Senior Notes due 2029
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	7.25%
7.25% Senior Notes due 2029 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 373,000,000
Stated interest rate on debt (as a percent)		7.25%
6.25% Senior Notes due 2029
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	6.25%			6.25%
6.25% Senior Notes due 2029 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 540,000,000
Stated interest rate on debt (as a percent)		6.25%
5.00% Senior Notes due 2029
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	5.00%		5.00%
5.00% Senior Notes due 2029 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 371,000,000
Stated interest rate on debt (as a percent)		5.00%
5.25% Senior Notes due 2030
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	5.25%
5.25% Senior Notes due 2030 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 332,000,000
Stated interest rate on debt (as a percent)		5.25%
5.25% Senior Notes due 2031
Extinguishment of Debt [Line Items]
Stated interest rate on debt (as a percent)	5.25%		5.25%
5.25% Senior Notes due 2031 | Exchange Offer
Extinguishment of Debt [Line Items]
Total		$ 336,000,000
Stated interest rate on debt (as a percent)		5.25%