Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Activity Related to TEC Employee PSUs

A summary of the activity related to TEC employee PSUs is presented in the following table:

				Weighted		Aggregate
	Number of			Average Grant		Intrinsic
	Units			Date Fair Value		Value
	(Thousands)			(Per Unit)		(Millions)
Outstanding as of December 31, 2021		285			47.74		18
Granted including DRIP		62			59.26		4
Exercised		(123	)		42.86		7
Forfeited		(51	)		44.41		3
Transferred		3			47.98		0
Outstanding as of December 31, 2022		176			56.21		9

Summary of Activity Related to Employee RSUs

A summary of the activity related to TEC employee RSUs is presented in the following table:

				Weighted		Aggregate
	Number of			Average Grant		Intrinsic
	Units			Date Fair Value		Value
	(Thousands)			(Per Unit)		(Millions)
Outstanding as of December 31, 2021		118			54.64		7
Granted including DRIP		61			59.31		4
Forfeited		(6	)		56.47		0
Outstanding as of December 31, 2022		173			56.23		9