Long-term Incentive Compensation (Summary of Performance Cash Awards Activity) (Details) - Performance cash awards - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Number of Shares/Units, Unvested shares/units at January 1 (in shares)	39,994,000	28,272,000	18,353,000
Number of Shares/Units, Granted (in shares)	27,493,000	24,416,000	18,546,000
Number of Shares/Units, Vested (in shares)	(13,320,000)	(8,786,000)	(4,955,000)
Number of Shares/Units, Forfeited (in shares)	(4,489,000)	(3,908,000)	(3,672,000)
Number of Shares/Units, Unvested shares/units at December 31 (in shares)	49,678,000	39,994,000	28,272,000
Weighted Average Fair Value
Weighted Average Fair Value, Unvested shares/units at January 1 (in dollars per share)	$ 1.00	$ 1.00	$ 1.00
Weighted Average Fair Value, Granted (in dollars per share)	1.00	1.00	1.00
Weighted Average Fair Value, Vested (in dollars per share)	1.00	1.00	1.00
Weighted Average Fair Value, Forfeited (in dollars per share)	1.00	1.00	1.00
Weighted Average Fair Value, Unvested shares/units at December 31 (in dollars per share)	$ 1.00	$ 1.00	$ 1.00
Workforce Reduction
Number of Shares
Number of Shares/Units, Forfeited (in shares)			(1,241,000)