Defined Contribution Plan Employer Contribution Percentage For Branch Offices Maximum

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Defined Contribution Plan Employer Contribution Percentage For Branch Offices Minimum

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- Definition

Defined Contribution Plan Employer Contribution Percentage For New Hires Maximum

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Defined Contribution Plan Employer Contribution Percentage For New Hires Minimum

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Defined Contribution Plan Employer Contribution Percentage Maximum

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- Definition

Defined Contribution Plan Employer Contribution Percentage Vested After Three Years

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- Definition

Private Equity Limited Partnership

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

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Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Ultimate trend rate for health care cost for defined benefit postretirement plan.

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Amount of cost (reversal of cost) for pension and other postretirement benefits.

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Employee Benefit Plans (Narrative) (Details) - USD ($)	12 Months Ended
Employee Benefit Plans (Narrative) (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2030
Defined Benefit Plan Disclosure [Line Items]
Company contributions	$ 6,000,000	$ 4,000,000	$ 7,000,000
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate used to determine net periodic benefit cost	2.86%	2.55%	3.28%
Rate of compensation increase to determine the net periodic benefit cost	4.00%	4.00%	4.00%
Expected long-term rate of return on plan assets	6.75%	7.00%	7.00%
Weighted average discount rates used to determine actuarial present value of the projected benefit obligation	5.25%	2.86%	2.55%
Company contributions	$ 6,000,000	$ 4,000,000
Defined Benefit Pension Plan [Member] \| U.S. Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plans, employer contribution plans, employer contribution percentage, maximum	3.00%
Defined contribution plans, employer contribution percentage, for new hires, minimum	3.00%
Defined contribution plans, employer contribution percentage, for new hires, maximum	8.00%
Defined Contribution Plan Employer Contribution Percentage Vested After Three Years	100.00%
Incurred expenses	$ 18,000,000	15,000,000	$ 14,000,000
Defined Benefit Pension Plan [Member] \| Non-U.S. Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan employer contribution percentage for branch offices, minimum	4.30%
Defined contribution plan employer contribution percentage for branch offices, maximum	39.50%
Incurred expenses	$ 4,000,000	3,000,000	$ 3,000,000
Defined Benefit Pension Plan [Member] \| Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets consist of shares in investment trusts, percentage	74.00%
Defined Benefit Pension Plan [Member] \| Fixed Maturities [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets consist of shares in investment trusts, percentage	24.00%
Defined Benefit Pension Plan [Member] \| Limited Partnerships [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets consist of shares in investment trusts, percentage	1.00%
Defined Benefit Pension Plan [Member] \| Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets consist of shares in investment trusts, percentage	1.00%
Defined Benefit Pension Plan [Member] \| Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation percentage	70.00%
Defined Benefit Pension Plan [Member] \| Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target asset allocation percentage	30.00%
Defined Benefit Pension Plan [Member] \| Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Private equity limited partnerships	$ 1,500,000	2,600,000
Company contributions	$ 0	$ 0
Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate used to determine net periodic benefit cost	2.86%	2.55%	3.28%
Weighted average discount rates used to determine actuarial present value of the projected benefit obligation	5.25%	2.86%	2.55%
Company contributions
Healthcare inflation rate	7.00%
Incurred expenses	$ 1,000,000	$ 1,000,000	$ 1,000,000
Post-Retirement Plan [Member] \| Scenario Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Healthcare inflation rate				4.75%