Retirement Plans and Profit Sharing Arrangements Reconciliation of Changes in Benefit Obligation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pension Plans
Change in benefit obligation
Benefit obligation, beginning	$ 1,271	$ 1,111
Service cost	45	45	$ 44
Interest cost	21	29	36
Plan change	7
Benefits paid	(12)	(10)
Actuarial (gain) loss	16	117
Acquisitions	498
Settlements	(27)	(30)
Foreign currency rate changes	(4)	9
Benefit obligation, ending	1,815	1,271	1,111
Other Postretirement Plans
Change in benefit obligation
Benefit obligation, beginning	14	14
Benefits paid	(1)	(1)
Actuarial (gain) loss		1
Benefit obligation, ending	$ 13	$ 14	$ 14

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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- Definition

Amount of increase in benefit obligation of defined benefit plan from business combination.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.

+ References

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

+ References

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- Definition

Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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- Definition

Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

+ References

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