Unamortized Debt Discount and Issuance Costs

No definition available.

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- Definition

The average effective interest rate during the reporting period.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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- Definition

Amount of long-term debt and lease obligation, classified as current.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Long-Term Debt) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-Term Debt		$ 391	$ 391	$ 473
Unamortized debt discount and issuance costs		(3)	(3)	(4)
Long-term debt due within one year		(2)	(2)	(1)
Repayments of Long-term Debt			84	1	$ 1
Gain (Loss) on Extinguishment of Debt			$ (19)	$ 0	$ 0
Final Maturity 2023 [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period			7.875%	7.875%
Long-Term Debt		129	$ 129	$ 175
Final Maturity 2025 (a) [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period			6.79%	6.79%
Long-Term Debt		12	$ 12	$ 12
Final Maturity 2025 (b) [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period			7.50%	7.50%
Long-Term Debt		113	$ 113	$ 150
Final Maturity 2096 [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period			7.75%	7.75%
Long-Term Debt		$ 135	$ 135	$ 135
U.S. Dollar Notes [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	$ 83
7.875 Percent Notes Due 2023 [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	46
Debt Instrument, Interest Rate, Stated Percentage		7.875%	7.875%
7.5 Percent Notes Due 2025 [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 37
Debt Instrument, Interest Rate, Stated Percentage		7.50%	7.50%
Long-term Debt [Member] \| Sundry Income (Expense), Net [Member]
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt		$ 19
Finance Lease Obligations [Member]
Debt Instrument [Line Items]
Long-Term Debt		$ 7	$ 7	$ 6