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Stock-Based Compensation - Narrative (Details) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 01, 2021 USD ($) $ / shares shares | Feb. 28, 2022 USD ($) shares | Oct. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) shares | Dec. 31, 2021 USD ($) Award_Type $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 57,000,000 | $ 43,000,000 | $ 31,000,000
Tax benefit for share-based compensation expense |  |  |  |  | $ 24,000,000 | $ 10,000,000 | $ 7,000,000
Additional awards granted (in shares) | shares | 1,577,554 |  |  |  | 1,577,554 | 0 | 0
Options granted (in dollars per shares) | $ / shares |  |  |  |  | $ 16.19 | $ 0 | $ 0
Stock options grant date fair value |  |  | $ 14,000,000 |  |  |  |
Defined contribution cost recognized |  |  |  |  | $ 1,000,000 |  |
Deferred Compensation, Share-based Payments |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Common shares held in employee trust earned but not distributed (in shares) | shares |  |  |  | 495,774 | 495,774 |  |
Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted (in dollars per shares) | $ / shares | $ 8.47 |  |  |  |  |  |
Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted (in dollars per shares) | $ / shares | $ 28.72 |  |  |  |  |  |
Restricted Stock Units | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |  |
Granted (in shares) | shares |  |  |  |  | 1,236,971 | 0 | 55,500
Granted (in dollars per share) | $ / shares |  |  |  |  | $ 20.83 | $ 0 | $ 25.29
Fair value of award |  |  |  |  | $ 0 | $ 0 | $ 4,000,000
Vested (in shares) | shares |  |  |  |  | 0 | 6,334 | 143,959
Aggregate intrinsic value |  |  |  | $ 24,000,000 | $ 24,000,000 |  |
Weighted-average remaining contractual term of non-vested shares |  |  |  |  | 2 years 3 months 18 days |  |
Restricted Stock Units | Share-based Payment Arrangement, Employee | Executive Officer |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period | 6 months |  |  |  |  |  |
Granted (in shares) | shares | 258,252 |  |  |  |  |  |
Granted (in dollars per share) | $ / shares | $ 22.25 |  |  |  |  |  |
Restricted Stock Units | Share-based Payment Arrangement, Nonemployee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 2,000,000 | $ 2,000,000 | $ 2,000,000
Aggregate intrinsic value |  |  |  | 5,000,000 | $ 5,000,000 |  |
Restricted Stock Units | Minimum | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 0.00% |  |
Restricted Stock Units | Maximum | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 5.00% |  |
Restricted Stock Units | Graduated or Graded Vesting | Minimum | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |  |
Restricted Stock Units | Graduated or Graded Vesting | Maximum | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 4 years |  |
Restricted Stock Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 5,000,000 |  |
Award vesting period |  |  |  |  | 3 years |  |
Granted (in shares) | shares | 3,364,354 |  |  |  | 3,364,354 | 0 | 0
Granted (in dollars per share) | $ / shares | $ 22.25 |  |  |  | $ 22.25 | $ 0 | $ 0
Grant date value | $ 22,000,000 |  |  |  |  |  |
Compensation cost not yet recognized |  |  |  | 41,000,000 | $ 41,000,000 |  |
Period of recognition for unrecognized compensation costs |  |  |  |  | 2 years |  |
Fair value of award |  |  |  |  | $ 7,000,000 |  |
Vested (in shares) | shares |  |  |  |  | 337,142 | 0 | 0
Aggregate intrinsic value |  |  |  | 57,000,000 | $ 57,000,000 |  |
Weighted-average remaining contractual term of non-vested shares |  |  |  |  | 2 years |  |
Restricted Stock Awards | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 4,000,000 | $ 0 | $ 1,000,000
Compensation cost not yet recognized |  |  |  | 23,000,000 | $ 23,000,000 |  |
Period of recognition for unrecognized compensation costs |  |  |  |  | 2 years 3 months 18 days |  |
Restricted Stock Awards | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period | 2 months |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 0.00% |  |
Restricted Stock Awards | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period | 3 years |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 15.00% |  |
Restricted Stock Awards | Graduated or Graded Vesting | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |  |
Restricted Stock Awards | Graduated or Graded Vesting | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 4 years |  |
Performance Shares |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 41,000,000 | $ 40,000,000 | $ 29,000,000
Award vesting period |  |  |  |  | 3 years |  |
Compensation cost not yet recognized |  |  |  | 13,000,000 | $ 13,000,000 |  |
Period of recognition for unrecognized compensation costs |  |  |  |  | 1 year 3 months 18 days |  |
Number of performance award types | Award_Type |  |  |  |  | 3 |  |
Aggregate intrinsic value |  |  |  | 34,000,000 | $ 34,000,000 |  |
Weighted-average remaining contractual term of non-vested shares |  |  |  |  | 1 year 3 months 18 days |  |
Performance Shares | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 0.00% |  |
Performance Shares | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expected forfeiture rate |  |  |  |  | 7.00% |  |
Internal Metrics Performance Share Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of performance award types | Award_Type |  |  |  |  | 2 |  |
Rights to share portion of award, maximum percent |  |  |  |  | 100.00% |  |
Market Based Performance Share Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of performance award types | Award_Type |  |  |  |  | 1 |  |
Rights to share portion of award, maximum percent |  |  |  |  | 100.00% |  |
Rights to cash portion of award, maximum percent |  |  |  |  | 100.00% |  |
Employee Performance Share Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |  |
Granted (in shares) | shares |  |  |  |  | 769,594 | 722,500 | 526,730
Granted (in dollars per share) | $ / shares |  |  |  |  | $ 18.76 | $ 15.60 | $ 24.95
Minimum operating cash flow for performance based award |  |  |  |  | $ 100,000,000 |  |
Employee Performance Share Awards | Subsequent Event |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) | shares |  | 407,540 |  |  |  |  |
Grant date value |  | $ 10,000,000 |  |  |  |  |
Employee Performance Share Awards | 50% Vesting on Third Anniversary |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Rights to share portion of award, maximum percent |  |  |  |  | 100.00% | 33.00% | 33.00%
Hybrid Performance Shares |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  | $ 8,000,000 |  |  |
Granted (in shares) | shares |  |  |  |  | 423,171 | 506,412 | 315,029
Granted (in dollars per share) | $ / shares |  |  |  |  | $ 18.58 | $ 15.60 | $ 24.95
Minimum operating cash flow for performance based award |  |  |  |  | $ 100,000,000 |  |
Vested (in shares) | shares | 960,497 |  |  |  |  |  |
Hybrid Performance Shares | Graduated or Graded Vesting |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 3 years |  |
Hybrid Performance Shares | 25% Vesting on First and Second Anniversary |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting percentage |  |  |  |  | 25.00% |  |
Hybrid Performance Shares | 50% Vesting on Third Anniversary |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting percentage |  |  |  |  | 50.00% |  |
TSR Performance Share Awards |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense | $ 10,000,000 |  |  |  |  |  |
Granted (in shares) | shares |  |  |  |  | 723,224 | 862,180 | 536,673
Granted (in dollars per share) | $ / shares |  |  |  |  | $ 16.07 | $ 13.79 | $ 20.63
Award vesting percentage | 100.00% |  |  |  |  |  |
Vested (in shares) | shares | 2,122,077 |  |  |  |  |  |
Performance period of peer group |  |  |  |  | 3 years |  |
Cash payments for share-based compensation |  |  |  |  | $ 0 | $ 14,000,000 | $ 5,000,000

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Details
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