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Changes in Capital Structure - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | Apr. 30, 2024 | Nov. 06, 2023 | Jun. 22, 2023
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  | 10,000,000 |  | 10,000,000 |  |  |
Common stock, shares authorized (in shares) |  |  | 500,000,000 |  | 500,000,000 |  |  |
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% |  |  |  |  |
Retirement of treasury stock (in shares) |  |  | 1,163,230 |  |  |  |  |
Retirement of treasury stock |  |  | $ 38,000,000 |  |  |  |  |
Treasury Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share repurchases | [1] |  | $ 117,000,000 |  |  |  |  |
Retirement of treasury stock (in shares) |  |  | 1,163,230 |  |  |  |  |
Average price paid per share (in usd per share) |  |  | $ 32.67 | $ 32.67 |  |  |  |
Retirement of treasury stock | [2] |  | $ (38,000,000) |  |  |  |  |
Additional Paid-In Capital |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share repurchases | [1] |  | (117,000,000) |  |  |  |  |
Retirement of treasury stock | [2] |  | 38,000,000 |  |  |  |  |
November 2023 Accelerated Share Repurchase Agreements |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Accelerated share repurchases, agreement amount |  |  |  |  |  |  | $ 950,000,000 |
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] |  |  |  |  |  |  |  |
Capital allocation policy, target allocation, percentage of cash available for allocation after debt reduction to be returned to shareholders |  | 80.00% |  |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  | $ 2,700,000,000
Amounts paid for shares purchased |  |  |  |  | 1,200,000,000 |  |  |
Capital Allocation Plan, 2023 | Subsequent Event |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Remaining amount recorded in additional paid in capital |  |  |  |  |  | $ 1,500,000,000 |  |
Capital Allocation Plan, Open Market Repurchases |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Amounts paid for shares purchased |  |  |  |  | $ 200,000,000 |  |  |
[1] | Represents the final settlements of the November 6, 2023 ASR agreements. See Note 9, Changes in Capital Structure for additional information
[2] | Treasury stock retired had an average price per share of $32.67

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