Income Taxes (Details 1)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective tax rate reconciliation
U.S. statutory federal income tax rate	21.00%	21.00%	21.00%
(Decrease) increase in taxes resulting from:
Tax credits and tax-exempt income	(0.90%)	(0.10%)	(4.10%)
State and local income taxes, net of federal benefit	3.10%	3.00%	3.70%
Non-U.S. subsidiaries' earnings	(0.10%)	1.10%	2.40%
Tax settlements and lapse of statute of limitations	(2.10%)	(0.30%)	(1.60%)
Valuation allowances	(0.10%)	0.00%	4.00%
Other	0.70%	(0.10%)	1.60%
Actual tax rates	21.60%	24.60%	27.00%

Effective income tax rate continuing operations increase decrease in tax rate.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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