Income Taxes (Details Textuals) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
U.S. statutory federal income tax rate	21.00%	21.00%	21.00%
Accumulated earnings intended to be permanently reinvested outside the U.S.	$ 1,000
Aggregate state income and foreign withholding taxes on foreign earnings	100
Income taxes paid	1,600	$ 2,200	$ 1,700
Unrecognized tax benefits	1,024	790	726	$ 701
Unrecognized tax benefits that affect effective tax rate	780	580	623
Unrecognized tax benefits change as a result of potential resolutions of prior years' tax	167
Unrecognized tax benefits that, if recognized, could impact effective tax rate	132
Unrecognized tax benefits income tax penalties and interest expense	40	260	$ 5
Unrecognized tax benefits income tax penalties and interest accrued	380	$ 350
U.S.
Income Tax Contingency [Line Items]
NOL carryforwards	84
Non U.S.
Income Tax Contingency [Line Items]
NOL carryforwards	910
FTC carryforwards	$ 110
Non U.S. | Minimum
Income Tax Contingency [Line Items]
Tax credit carryforward, expiration date	Dec. 31, 2029
Non U.S. | Maximum
Income Tax Contingency [Line Items]
Tax credit carryforward, expiration date	Dec. 31, 2031