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Derivative contracts (Tables)

12 Months Ended

Dec. 31, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Information related to these contracts follows (dollars in millions).

	December 31,
	2020		2019
Balance sheet liabilities - at fair value	$	1,065	$	968
Notional value		10,991		14,385
Intrinsic value		727		397
Weighted average remaining life (in years)		1.2		1.8

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

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+ Details