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Leases - Maturities (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Leases |  |  |
Operating lease cost | $ 155.0 | $ 140.0 | $ 132.0
Finance lease cost | 58.0 | $ 51.0 | $ 48.0
Operating |  |  |
2022 | 75.0 |  |
2023 | 68.0 |  |
2024 | 61.0 |  |
2025 | 51.0 |  |
2026 | 42.0 |  |
Thereafter | 410.0 |  |
Total undiscounted lease payments | 707.0 |  |
Less: interest | (184.0) |  |
Discounted lease liabilities | 523.0 |  |
Financing |  |  |
2022 | 55.0 |  |
2023 | 50.0 |  |
2024 | 44.0 |  |
2025 | 40.0 |  |
2026 | 36.0 |  |
Thereafter | 209.0 |  |
Total undiscounted lease payments | 434.0 |  |
Less: interest | (96.0) |  |
Discounted lease liabilities | $ 338.0 |  |

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