Overview & Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Shares that were Excluded from Computation of Diluted Net Income per Share of Common Stock (Detail) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Stock Based Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Stock-based awards (in shares)	15	13	18	12