Acquisitions and Dispositions - Supplemental Pro Forma (unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Supplemental Pro Forma (unaudited)
Total revenues and other Income	$ 21,989	$ 10,211	$ 41,280	$ 20,770
Income (loss) before income taxes	7,655	3,080	15,553	4,794
Net income (loss)	$ 5,145	$ 2,091	$ 10,904	$ 3,073
Earnings per share ($ per share):
Basic net income (in dollars per share)	$ 3.98	$ 1.55	$ 8.39	$ 2.32
Diluted net income (in dollars per share)	$ 3.96	$ 1.55	$ 8.36	$ 2.31
Pro Forma
Supplemental Pro Forma (unaudited)
Total revenues and other Income		$ 11,010		$ 22,165
Income (loss) before income taxes		3,377		5,210
Net income (loss)		$ 2,318		$ 3,391
Earnings per share ($ per share):
Basic net income (in dollars per share)		$ 1.71		$ 2.56
Diluted net income (in dollars per share)		$ 1.71		$ 2.55
Shell Enterprises LLC
Supplemental Pro Forma (unaudited)
Total revenue and other income, pro-forma Shell		$ 799		$ 1,395
Income (loss) before income taxes, pro-forma Shell		297		416
Net income (loss), pro-forma Shell		$ 227		$ 318
Earnings per share ($ per share):
Basic net income, pro-forma Shell (in dollars per share)
Diluted net income, pro-forma Shell (in dollars per share)