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Income Taxes (Unaudited) Unrecognized Tax Benefit (Details 2) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Unrecognized Tax Benefit Detail
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 700			$ 700
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	64	$ 21		110	$ 48
Unrecognized Tax Benefits	2,100			2,100
IRC Section 451(b)
Unrecognized Tax Benefit Detail
Unrecognized Tax Benefits	938			938
Other Current Liabilities [Member]
Unrecognized Tax Benefit Detail
Unrecognized Tax Benefits	$ 1,200			$ 1,200		$ 964
Internal Revenue Service (IRS)
Unrecognized Tax Benefit Detail
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities			$ 90