Supplementary Information - Components of Depreciation and Amortization Expense (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting [Abstract]
Depreciation expense relating to fixed assets		$ 1,445	$ 1,368	$ 1,402
Amortization of APS investments		410	368	305
Amortization expense		314	301	302
Amortization of exploration data costs		143	110	111
Total depreciation and amortization expense	[1]	$ 2,312	$ 2,147	$ 2,120

[1] Includes depreciation of fixed assets and amortization of intangible assets, exploration data costs and APS investments.