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v3.22.1

Equity - Performance shares (Details) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) item $ / shares shares | Dec. 31, 2021 USD ($) item | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Share-based compensation |  |  |  |
Share-based payments subject to redemption | $ | $ 31 | $ 36 | $ 21 | $ 30
Performance Shares |  |  |  |
Share-based compensation |  |  |  |
Number of tranches | item | 2 | 2 |  |
Granted (in shares) | shares | 86,000 |  |  |
Weighted-average fair value per share, Granted (in dollars per share) | $ / shares | $ 138.85 |  |  |
Cancelled (in shares) | shares | 0 |  |  |
Unrecognized compensation cost | $ | $ 16 |  |  |
Remaining requisite service period (in years) | 2 years 4 months 24 days |  |  |
Performance shares, vesting based on TSR |  |  |  |
Share-based compensation |  |  |  |
Percentage of share-based compensation award | 50.00% | 50.00% |  |
Performance shares, vesting based on Adjusted ROIC |  |  |  |
Share-based compensation |  |  |  |
Percentage of share-based compensation award | 50.00% | 50.00% |  |
Performance period (in years) | 3 years | 3 years |  |
2019 Awards | Performance Shares |  |  |  |
Share-based compensation |  |  |  |
Performance period (in years) | 3 years |  |  |
Award pay out achieved (as a percent) | 0.00% |  |  |
2022 Awards | Performance shares, vesting based on TSR |  |  |  |
Share-based compensation |  |  |  |
Vesting period | 3 years |  |  |
Performance period (in years) | 3 years |  |  |
2022 Awards | Performance shares, vesting based on TSR | Minimum |  |  |  |
Share-based compensation |  |  |  |
Performance shares available for vesting (as a percent) | 0.00% |  |  |
2022 Awards | Performance shares, vesting based on TSR | Maximum |  |  |  |
Share-based compensation |  |  |  |
Performance shares available for vesting (as a percent) | 200.00% |  |  |
2022 Awards | Performance shares, vesting based on Adjusted ROIC |  |  |  |
Share-based compensation |  |  |  |
Vesting period | 3 years |  |  |
Performance period (in years) | 3 years |  |  |
2022 Awards | Performance shares, vesting based on Adjusted ROIC | Minimum |  |  |  |
Share-based compensation |  |  |  |
Performance shares available for vesting (as a percent) | 0.00% |  |  |
2022 Awards | Performance shares, vesting based on Adjusted ROIC | Maximum |  |  |  |
Share-based compensation |  |  |  |
Performance shares available for vesting (as a percent) | 200.00% |  |  |

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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, 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 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: 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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