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Debt repurchase option, Repayment as percent of principal

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The fair value hedge associated with forward based contracts on certain long-term debt agreements in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.

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No definition available.

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Carrying amount of long-term debt, net of unamortized discount or premium, including noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans, commercial paper and the fair value of associated fair value hedges of long-term debt, if any. Excludes capital lease obligations.

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- Definition

Unamortized adjustments from discontinued hedges

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- Definition

Amount of debt and lease obligation, classified as current.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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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

Amount, after accumulated amortization, of debt discount (premium).

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- Definition

Fixed interest rate related to the interest rate derivative.

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No definition available.

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- Definition

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.

+ References

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- Definition

Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Short-Term and Long-Term Debt (Schedule Of Debt) (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Dec. 31, 2022	Oct. 31, 2022	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Debt Instrument [Line Items]
Current maturities of long-term debt	$ 500		$ 500				$ 300
Total short-term debt	500		500	$ 500			300	$ 300	$ 300	$ 300
Total long-term debt	$ 5,955		$ 5,955	$ 5,959	$ 6,498	$ 6,561	6,325	$ 6,323	$ 6,334	$ 6,294
Fixed rate, swap	5.00%		5.00%
Debt repurchase option, Repayment as percent of principal			100.00%
Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 4,368		$ 4,368				4,568
Subordinated Debt [Member]
Debt Instrument [Line Items]
Term loans	995		995				995
Capital Securities [Member]
Debt Instrument [Line Items]
Capital securities	218		218				218
Long-term Debt [Member]
Debt Instrument [Line Items]
Unamortized premiums (discounts)	(6)		(6)				(6)
Unamortized debt issuance costs	(34)		(34)				(35)
Unamortized adjustments from discontinued hedges	341		341				356
Fair value hedge on interest rate swap agreements	(177)		(177)				(21)
Total long-term debt	$ 5,955		$ 5,955				6,325
4.00% notes, due 2023 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes							500
Interest rate	4.00%		4.00%
3.35% notes, due 2025 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 300		$ 300				300
Interest rate	3.35%		3.35%
3.625% notes, due 2026 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 400		$ 400				400
Interest rate	3.625%		3.625%
3.80% notes, due 2028 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 500		$ 500				500
Interest rate	3.80%		3.80%
3.05% notes, due 2030 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 500		$ 500				500
Interest rate	3.05%		3.05%
3.40% notes, due 2031 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 500		$ 500				500
Interest rate	3.40%		3.40%
3.40% notes, due 2032 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 300		$ 300
Interest rate	3.40%		3.40%
6.15% notes, due 2036 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 243		$ 243				243
Interest rate	6.15%		6.15%
6.30% notes, due 2037 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 375		$ 375				375
Interest rate	6.30%		6.30%
7.00% notes, due 2040 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 500		$ 500				500
Interest rate	7.00%		7.00%
4.35% notes, due 2048 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 450		$ 450				450
Interest rate	4.35%		4.35%
4.375% notes, due 2050 [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Senior Long Term Notes	$ 300		$ 300				300
Interest rate	4.375%		4.375%
LIBOR + 87.5 bps loan, due 2024 [Member] \| Term Loans [Member]
Debt Instrument [Line Items]
Term loans	$ 250		$ 250				250
Variable rate	112.50%	87.50%	20.24%
LIBOR +236 bps, due 2066 [Member] \| Subordinated Debt [Member]
Debt Instrument [Line Items]
Term loans	$ 562		$ 562				562
Variable rate			2.36%
LIBOR +236 bps, due 2066 [Member] \| Capital Securities [Member]
Debt Instrument [Line Items]
Capital securities	160		$ 160				160
Variable rate			2.36%
LIBOR +204 bps, due 2067 [Member] \| Subordinated Debt [Member]
Debt Instrument [Line Items]
Term loans	433		$ 433				433
Variable rate			2.04%
LIBOR +204 bps, due 2067 [Member] \| Capital Securities [Member]
Debt Instrument [Line Items]
Capital securities	$ 58		$ 58				$ 58
Variable rate			2.04%