Taxation (Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Examination [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 11,455	$ 9,526	$ 6,485
Current tax expense	1,729	1,595	1,081
Deferred tax expense	86	(1,084)	158
Provision for income taxes	1,815	511	1,239
Domestic Tax Authority [Member]
Income Tax Examination [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	121	44	234
Current tax expense	29	25	15
Deferred tax expense	14	(63)	34
Foreign Tax Authority [Member]
Income Tax Examination [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Foreign	11,334	9,482	6,251
Current tax expense	1,700	1,570	1,066
Deferred tax expense	$ 72	$ (1,021)	$ 124