Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
TOTALEnergies S.E.
Related Party Transaction [Line Items]
Proceeds from related party	$ 2.8	$ 1.6	$ 5.7	$ 3.1
Receivables from related party	2.6		2.6		$ 1.4
Related party expense	2.5	0.4	6.1	1.3
Payable to related parties					0.1
SAFE&CEC S.r.l.
Related Party Transaction [Line Items]
Proceeds from related party		0.0	0.2	0.2
Receivables from related party	0.1		0.1
Related party expense	2.8	$ 3.3	8.5	$ 5.8
Payable to related parties	0.7		0.7		0.2
TotalEnergies JV and bpJV
Related Party Transaction [Line Items]
Proceeds from related party	0.3		0.9
Receivables from related party	$ 0.3		$ 0.3		$ 0.4