Earnings Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ 242	$ (546)	$ (413)
Weighted Average Number of Shares Outstanding, Basic (in shares)	669	668	666
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.36	$ (0.82)	$ (0.62)
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted	$ 243	$ (546)	$ (413)
Weighted Average Number of Shares Outstanding, Diluted (in shares)	712	668	666
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.34	$ (0.82)	$ (0.62)
Share-based Payment Arrangement
Class of Stock [Line Items]
Weighted Average Number Antidilutive Securities Excluded from Computation of EPS		3	4
Antidilutive securities excluded from computation of earnings per share		5	5
Share-based Payment Arrangement, Option [Member]
Class of Stock [Line Items]
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units	$ 0	$ 0	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements (in shares)	1	0	0
Dilutive Securities Effect On Basic EPS, dilutive Stock Options, per diluted share	$ 0	$ 0	$ 0
Restricted Stock Units (RSUs) [Member]
Class of Stock [Line Items]
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units	$ 0	$ 0	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements (in shares)	2	0	0
Dilutive Securities Effect On Basic EPS, dilutive Restricted Stock Units, per diluted share	$ 0	$ 0	$ 0
Equity Unit Purchase Agreements
Class of Stock [Line Items]
Dilutive Securities Effect on Basic EPS, dilutive Equity Unit Purchase Agreements, per diluted share	$ (0.02)	$ 0	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements	40	0	0
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 1	$ 0	$ 0