Commitments and Contingencies - Narrative (Details) $ in Millions		1 Months Ended
	Oct. 23, 2023 USD ($)	Feb. 28, 2023 USD ($)	Mar. 31, 2024 case facility	Jul. 31, 2023	Oct. 31, 2021 facility	Jun. 30, 2019 facility
Loss Contingencies
Number of facilities | facility			2		2
Sierra Club Et Al V. Midwest Generation LLC
Loss Contingencies
Number of facilities | facility						4
Direct Energy vs. Burk and Dickson
Loss Contingencies
Pending lawsuits | case			2
CPI Security Systems, Inc. v. Vivint Smart Home, Inc.
Loss Contingencies
Damages awarded		$ 50
Punitive damages awarded		$ 140
SB IP Holdings LLC (“Skybell”) v. Vivint Smart Home, Inc.
Loss Contingencies
Damages awarded	$ 45
Partners in STP, CPS and Austin Energy vs. NRG | Pending Litigation | STP
Loss Contingencies
Ownership interest				44.00%