Changes in Capital Structure - Narrative (Details) - USD ($)		1 Months Ended	3 Months Ended								9 Months Ended	11 Months Ended	12 Months Ended
	Jun. 22, 2023	Oct. 31, 2024	Sep. 30, 2024		Jun. 30, 2024	[1]	Mar. 31, 2024		Dec. 31, 2023	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023	Nov. 06, 2023	Jun. 30, 2023
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			10,000,000						10,000,000		10,000,000	10,000,000	10,000,000
Common stock, shares authorized (in shares)			500,000,000						500,000,000		500,000,000	500,000,000	500,000,000
Share repurchases			$ 231,000,000	[1]	$ 91,000,000					$ 50,000,000
ESPP, minimum percentage of eligible compensation to purchase shares											1.00%
ESPP, maximum percentage of eligible compensation											10.00%
ESPP, exercise price as percentage of fair value											90.00%
Treasury Stock
Class of Stock [Line Items]
Share repurchases			$ 231,000,000	[1]	$ 91,000,000		$ 117,000,000	[2]		50,000,000
Additional Paid-In Capital
Class of Stock [Line Items]
Share repurchases							$ (117,000,000)	[2]
November 2023 Accelerated Share Repurchase Agreements
Class of Stock [Line Items]
Accelerated share repurchases, agreement amount														$ 950,000,000
Shares repurchased (in shares)							1,163,230					18,839,372
November 2023 Accelerated Share Repurchase Agreements | Treasury Stock
Class of Stock [Line Items]
Share repurchases									$ 833,000,000
November 2023 Accelerated Share Repurchase Agreements | Additional Paid-In Capital
Class of Stock [Line Items]
Share repurchases							$ 117,000,000		$ 117,000,000
Capital Allocation Plan, 2023
Class of Stock [Line Items]
Shares repurchased (in shares)									17,676,142
Capital Allocation Plan, 2023
Class of Stock [Line Items]
Capital allocation policy, target allocation, percentage of cash available for allocation after debt reduction to be returned to shareholders	80.00%
Share repurchase program, authorized amount	$ 3,700,000,000														$ 2,700,000,000
Share repurchases											$ 319,000,000		$ 1,150,000,000
Shares repurchased (in shares)											5,181,424		22,730,940
Capital Allocation Plan, 2023 | Subsequent Event
Class of Stock [Line Items]
Share repurchase program, additional authorized amount		$ 1,000,000,000
Remaining amount recorded in additional paid in capital		2,000,000,000
Share repurchases		$ 1,694,000,000
Shares repurchased (in shares)		30,436,687
Capital Allocation Plan, Open Market Repurchases
Class of Stock [Line Items]
Share repurchases											$ 319,000,000		$ 200,000,000
Shares repurchased (in shares)											4,018,194		5,054,798
Capital Allocation Plan, Open Market Repurchases | Subsequent Event
Class of Stock [Line Items]
Share repurchases		$ 225,000,000
Shares repurchased (in shares)		2,524,323

[1] Includes excise tax accrued of $2 million and $1 million for the quarters ended September 30 and June 30, 2024, respectively

[2] Represents the final settlements of the November 6, 2023 ASR agreements. See Note 9, Changes in Capital Structure for additional information