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EMPLOYEE RETIREMENT PLANS - Pre-tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Pre-tax expense
Pre-tax expense	$ 84	$ 64	$ 54
Defined-contribution plans
Pre-tax expense
Pre-tax expense	46	40	37
Defined-benefit pension plans
Pre-tax expense
Pre-tax expense	$ 38	$ 24	$ 17

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- References

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- Definition

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

+ References

No definition available.

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