Debt (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Convertible Debenture Terms

The following table summarizes at September 30, 2020 the related balances, conversion rate and conversion price of the Debentures:

Outstanding principal amount	$	175
Unamortized debt discount	$	54
Net debt carrying amount	$	119
Equity component carrying amount	$	63
Conversion rate (shares of common stock per $1,000 of principal amount)	14.0519
Effective conversion price (per $1,000 of principal amount)	$	71.1648