Investments - Maturity Distribution Based on Contractual Terms of Investment Securities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Available-For-Sale Amortized Cost
Due within 1 year	$ 180
Due after 1 year through 5 years	409
Total	589
Available-For-Sale Fair Value
Due within 1 year	181
Due after 1 year through 5 years	410
Total	$ 591	$ 1,432

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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