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Interest Income (Expense), Net - Summary of Interest Income (Expense), Net (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Investments Debt And Equity Securities [Abstract]
Income	$ 55	$ 47	$ 30
Expense	(54)	(54)	(52)
Total	$ 1	$ (7)	$ (22)

X

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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-Publisher FASB
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X

- Definition

The net amount of nonoperating interest income (expense).

+ References

No definition available.

+ Details

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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