Annual report [Section 13 and 15(d), not S-K Item 405]

Employee Benefit Plans - Level 3 Fair Value Measurements (Details)

Employee Benefit Plans - Level 3 Fair Value Measurements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Retirement Benefits [Abstract]
Fair value of plan assets	$ 19,966	$ 19,280
Increase (decrease) in level 3 plan assets	19	23	$ 16
Increase (decrease) in level 3 plan assets due to unrealized gains (losses)	5	(5)	4
Increase (decrease) in level 3 plan assets due to purchases	$ 14	$ 28	$ 12

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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+ Details