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LONG-TERM DEBT - Narrative (Details) |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 03, 2021 USD ($) | Jun. 29, 2020 USD ($) | Apr. 10, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 EUR (€) | Jun. 03, 2021 EUR (€) | Dec. 31, 2020 USD ($) | Jun. 08, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total unamortized debt issuance costs |  |  |  | $ 23,000,000 | $ 23,000,000 |  |  | $ 21,000,000 |
Weighted average interest rate on variable rate debt |  |  |  | 1.50% | 1.50% | 1.50% |  |  |
Long-term debt |  |  |  | $ 4,058,000,000 | $ 4,058,000,000 |  |  | 4,239,000,000 |
Letters of credit outstanding |  |  |  | $ 791,000,000 | $ 791,000,000 |  |  | 737,000,000 |
2018 Refinancing Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Leverage ratio (at most) |  |  |  |  | 3.25 |  |  |  |
2018 Refinancing Credit Agreement | Debt Instrument, Covenant, Period One |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Leverage ratio (at most) |  |  |  | 3.75 |  |  |  |  |
2018 Refinancing Credit Agreement | Debt Instrument, Covenant, Period Two |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Leverage ratio (at most) |  |  |  | 3.50 |  |  |  |  |
2018 Refinancing Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 1,200,000,000 | $ 1,200,000,000 |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 600,000,000 |  |  |  |  |  |
Debt instrument, term |  |  | 364 days |  | 364 days |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 144,000,000 |  |  |  |  |  |
Line of Credit | 2018 Refinancing Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 1,200,000,000
Letters of credit outstanding |  |  |  | 3,000,000 | $ 3,000,000 |  |  |  |
Line of Credit | 2018 Refinancing Credit Agreement | Swing Line Sub Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | 75,000,000
Line of Credit | 2018 Refinancing Credit Agreement | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 450,000,000
Line of Credit | Term Loan |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  | $ 456,000,000 |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance face value (as a percent) |  |  |  |  | 100.00% |  |  |  |
Senior Notes | 4.375% Senior Notes, due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 250,000,000 | $ 250,000,000 |  |  | 249,000,000 |
Stated interest rate (as a percent) |  |  |  | 4.375% | 4.375% | 4.375% |  |  |
Face Value |  |  |  | $ 250,000,000 | $ 250,000,000 |  |  |  |
Senior Notes | 4.15% Senior Notes, due 2024 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 747,000,000 | $ 747,000,000 |  |  | 746,000,000 |
Stated interest rate (as a percent) |  |  |  | 4.15% | 4.15% | 4.15% |  |  |
Face Value |  |  |  | $ 750,000,000 | $ 750,000,000 |  |  |  |
Senior Notes | 3.20% Senior Notes, due 2025 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 497,000,000 | $ 497,000,000 |  |  | 496,000,000 |
Stated interest rate (as a percent) |  | 3.20% |  | 3.20% | 3.20% | 3.20% |  |  |
Debt issuance face value (as a percent) |  | 99.892% |  |  |  |  |  |  |
Face Value |  | $ 500,000,000 |  | $ 500,000,000 | $ 500,000,000 |  |  |  |
Debt issuance costs, gross |  | $ 2,000,000 |  |  |  |  |  |  |
Senior Notes | 3.45% Senior Notes, due 2026 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 749,000,000 | $ 749,000,000 |  |  | 749,000,000 |
Stated interest rate (as a percent) |  |  |  | 3.45% | 3.45% | 3.45% |  |  |
Face Value |  |  |  | $ 750,000,000 | $ 750,000,000 |  |  |  |
Senior Notes | 1.25% Senior Notes (EUR), due 2027 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 560,000,000 | $ 560,000,000 |  |  | 0 |
Stated interest rate (as a percent) |  |  |  | 1.25% | 1.25% | 1.25% |  |  |
Debt issuance face value (as a percent) | 99.267% |  |  |  |  |  |  |  |
Face Value | € |  |  |  |  |  | € 500,000,000 | € 500,000,000 |  |
Debt issuance costs, gross | $ 4,000,000 |  |  |  |  |  |  |  |
Proceeds from issuance of debt | $ 599,000,000 |  |  |  |  |  |  |  |
Senior Notes | 4.70% Senior Notes, due 2028 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 1,243,000,000 | $ 1,243,000,000 |  |  | $ 1,242,000,000 |
Stated interest rate (as a percent) |  |  |  | 4.70% | 4.70% | 4.70% |  |  |
Face Value |  |  |  | $ 1,250,000,000 | $ 1,250,000,000 |  |  |  |

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