Guarantees, Contingencies and Commitments - Additional Information (Detail) $ in Millions	1 Months Ended
	Mar. 31, 2014 USD ($)	Dec. 31, 2023 USD ($) Case
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies | $		$ 153
MTBE Cases
Loss Contingencies [Line Items]
Total number of remaining active cases filed | Case		2
Gowanus Canal Superfund Site
Loss Contingencies [Line Items]
Estimated remediation cost | $	$ 506
Post-production Deductions from Royalty and Working Interest Payments
Loss Contingencies [Line Items]
Total number of remaining active cases filed | Case		6