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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 177	$ 64	$ 66
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	430	$ 253
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	145
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 2,000
Federal [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2026
Open Tax Year	2017
Federal [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2042
Open Tax Year	2020
State [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2024
Open Tax Year	2014
State [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2043
Non-U.S [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2015
Finite-lived NOL carryforwards [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	$ 125
Indefinite NOL carryforwards [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	$ 360

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