Loss per Share - Antidilutive Securities (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share
Common stock outstanding that have been excluded from the computation of diluted earnings (loss) per share (in shares)	42	34	42	34
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share
Common stock outstanding that have been excluded from the computation of diluted earnings (loss) per share (in shares)	6	8	6	8
Shares related to convertible debt instruments
Antidilutive Securities Excluded from Computation of Earnings Per Share
Common stock outstanding that have been excluded from the computation of diluted earnings (loss) per share (in shares)	36	26	36	26