General, Description of Business, Basis of Presentation, and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Regulatory Assets and Liabilities [Table Text Block]

Our current and noncurrent regulatory asset and liability balances for the years ended December 31, 2019 and 2018 are as follows:

	December 31,
	2019		2018
	(Millions)
Current assets reported within Other current assets and deferred charges	$	72	$	103
Noncurrent assets reported within Regulatory assets, deferred charges, and other	466		495
Total regulated assets	$	538	$	598
Current liabilities reported within Accrued liabilities	$	60	$	5
Noncurrent liabilities reported within Regulatory liabilities, deferred income, and other	1,277		1,321
Total regulated liabilities	$	1,337	$	1,326