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Income Taxes - Effective Income Tax Rate In Percentage (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Reconciliation between the U.S. corporate income tax rate and the effective income tax rate
U.S. corporate income tax rate (as a percent)	21.00%	21.00%	21.00%	21.00%
Dividends received deduction (as a percent)	(4.00%)	(4.00%)	(4.00%)	(16.00%)
Tax credits (as a percent)	(4.00%)	(4.00%)	(3.00%)	(12.00%)
Impact of equity method presentation (as a percent)	(1.00%)	(2.00%)	(1.00%)	(6.00%)
Interest exclusion from taxable income (as a percent)	(1.00%)	(1.00%)	(1.00%)	(5.00%)
Employee compensation (as a precent)				(3.00%)
Local country permanent tax adjustments (as a percent)				(2.00%)
Foreign currency inflation (as a percent)		(1.00%)		(2.00%)
Low income housing tax credit amortization (as a percent)	2.00%	2.00%	2.00%	8.00%
Global Intangible Low-Taxed Income (as a percent)				5.00%
State income taxes (as a percent)	4.00%	1.00%	2.00%	2.00%
Valuation allowance (as a percent)	3.00%	1.00%	1.00%	1.00%
Foreign country statutory rate differential (as a percent)				1.00%
Effective income tax rate (as a percent)	20.00%	13.00%	17.00%	(8.00%)

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to employee compensation.

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Percentage of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to low income housing tax credit amortization.

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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.

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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 equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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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.

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Percentage of reported income tax expense from difference to expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to global intangible low-taxed income (GILTI).

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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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