Retirement and Deferred Compensation Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Retirement Benefits [Abstract]
Defined benefit plan, net periodic benefit cost (recovery)	$ 10	$ (41)	$ (41)
Expected benefit payments in the next fiscal year	100
Defined contribution plans expense	116	102	107
Deferred compensation plans expense	$ 24	$ (4)	$ 32

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

+ References

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- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

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- Definition

Amount of cost for defined contribution plan.

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