Debt	9 Months Ended
	Sep. 30, 2022
Debt Disclosure [Abstract]
Debt	DebtIn February of 2022, Boardwalk Pipelines completed a public offering of $500 million aggregate principal amount of its 3.6% senior notes due September 1, 2032. Boardwalk Pipelines used the proceeds to retire the outstanding $300 million aggregate principal amount of its 4.0% senior notes due June 2022 in March of 2022, to fund growth capital expenditures and for general corporate purposes.