Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Long-term Debt

The following table summarizes long-term debt (rates and terms are as of December 31, 2017) of Edison International and SCE:

	December 31,
(in millions)	2017			2016
Edison International Parent and Other:
Debentures and notes:
2020 – 2023 (2.125% to 2.95%)	$	1,200		$	800
Other long-term debt	29			32
Current portion of long-term debt	(2		)	(402		)
Unamortized debt discount and issuance costs, net	(13		)	(9		)
Total Edison International Parent and Other	1,214			421
SCE:
First and refunding mortgage bonds:
2018 – 2047 (1.845% to 6.05%)	9,779			9,357
Pollution-control bonds:
2028 – 2035 (1.375% to 5.0%)1	909			774
Debentures and notes:
2029 – 2053 (5.06% to 6.65%)	307			307
Current portion of long-term debt	(479		)	(579		)
Unamortized debt discount and issuance costs, net	(88		)	(105		)
Total SCE	10,428			9,754
Total Edison International	$	11,642		$	10,175

¹  Excludes outstanding bonds that have not been retired and may be remarketed to investors in the future. These bonds have variable rates and are due in 2031 at December 31, 2017 and 2031 and 2033 at December 31, 2016.

Long-term Debt Maturities

Edison International and SCE long-term debt maturities over the next five years are the following:

(in millions)	Edison International		SCE
2018	$	481	$	479
2019	81		79
2020	481		79
2021	580		579
2022	777		364

Summary for Status of Credit Facilities

The following table summarizes the status of the credit facilities at December 31, 2017:

(in millions)	Edison International Parent			SCE
Commitment	$	1,250		$	2,750
Outstanding borrowings	(1,139		)	(1,238		)
Outstanding letters of credit	—			(99		)
Amount available	$	111		$	1,413