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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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.

+ References

No definition available.

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Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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

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

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Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Finance Lease, Liability	$ 5	$ 5	$ 5
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(3)	(3)	(3)		$ (4)
Long-term Debt, Current Maturities	(1)	(1)	(1)		(1)
Long-Term Debt	390	390	390		473
Repayments of Long-term Debt			84	$ 1
Gain (Loss) on Extinguishment of Debt			(19)	$ 0
Finance Leases [Member]
Debt Instrument [Line Items]
Finance Lease, Liability	$ 5	$ 5	$ 5		$ 6
Final Maturity 2023 [Member] \| Debentures [Member]
Debt Disclosure [Abstract]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.875%	7.875%	7.875%		7.875%
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.875%	7.875%	7.875%		7.875%
Long-term Debt, Gross	$ 129	$ 129	$ 129		$ 175
Final Maturity 2025 [Member] \| Debentures [Member]
Debt Disclosure [Abstract]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	6.79%	6.79%	6.79%		6.79%
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	6.79%	6.79%	6.79%		6.79%
Long-term Debt, Gross	$ 12	$ 12	$ 12		$ 12
Final Maturity 2025 b [Member] \| Debentures [Member]
Debt Disclosure [Abstract]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.50%	7.50%	7.50%		7.50%
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.50%	7.50%	7.50%		7.50%
Long-term Debt, Gross	$ 113	$ 113	$ 113		$ 150
Final Maturity 2096 [Member] \| Debentures [Member]
Debt Disclosure [Abstract]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.75%	7.75%	7.75%		7.75%
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, at Point in Time	7.75%	7.75%	7.75%		7.75%
Long-term Debt, Gross	$ 135	$ 135	$ 135		$ 135
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%	7.875%
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%	7.50%
U.S. Dollar Notes [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	$ 83
Long-term Debt [Member] \| Sundry Income (Expense), Net [Member]
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt		$ 19