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LONG-TERM DEBT AND LINES OF CREDIT - Narrative (Details) |  | 12 Months Ended | 50 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 15, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jun. 30, 2021 | Nov. 22, 2021 USD ($) | Sep. 30, 2021 | Feb. 26, 2021 USD ($) | Sep. 18, 2019 USD ($) | Aug. 14, 2019 USD ($) | Jun. 30, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of discounts, premiums, and deferred debt issuance costs |  | $ 14,400,000 | $ 12,000,000 | $ 11,900,000 |  |  |  |  |  |  |
Proceeds from long-term debt |  | 7,057,668,000 | 2,401,147,000 | 7,203,903,000 |  |  |  |  |  |  |
Long-term debt |  | 11,408,600,000 |  |  |  |  |  |  |  |  |
Interest expense |  | 328,000,000 | 326,800,000 | 301,200,000 |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized discount |  | 11,700,000 | 8,500,000 |  |  |  |  |  |  |  |
Long-term debt |  | 9,400,000,000 |  |  |  |  |  |  |  |  |
Fair value of debt instrument |  | 9,800,000,000 |  |  |  |  |  |  |  |  |
Senior Notes | Total System Services, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of discounts, premiums, and deferred debt issuance costs |  | 29,600,000 | 36,200,000 |  |  |  |  |  |  |  |
Senior Notes | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  | $ 9,400,000,000 |  |  |  | $ 2,000,000,000 |  |  |  | $ 3,000,000,000 |
Capitalized debt issuance costs |  |  |  |  |  | 14,400,000 |  |  |  |  |
Senior Notes | Senior Unsecured Notes | Total System Services, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 3,000,000,000 |  |
Senior Notes | 1.500% senior notes due November 15, 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  | $ 500,000,000 |  |  |  |  |
Stated interest rate (as a percent) |  | 1.50% |  |  |  | 1.50% |  |  |  |  |
Gross long-term debt |  | $ 497,185,000 | 0 |  |  |  |  |  |  |  |
Senior Notes | 2.150% senior notes due January 15, 2027 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  | $ 750,000,000 |  |  |  |  |
Stated interest rate (as a percent) |  | 2.15% |  |  |  | 2.15% |  |  |  |  |
Gross long-term debt |  | $ 743,695,000 | 0 |  |  |  |  |  |  |  |
Senior Notes | 2.900% senior notes due November 15, 2031 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  | $ 750,000,000 |  |  |  |  |
Stated interest rate (as a percent) |  | 2.90% |  |  |  | 2.90% |  |  |  |  |
Gross long-term debt |  | $ 741,716,000 | 0 |  |  |  |  |  |  |  |
Senior Notes | 1.200% senior notes due March 1, 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  | $ 1,100,000,000 |  |  |
Stated interest rate (as a percent) |  | 1.20% |  |  |  |  |  | 1.20% |  |  |
Capitalized debt issuance costs |  |  |  |  |  |  |  | $ 8,600,000 |  |  |
Gross long-term debt |  | $ 1,092,016,000 | 0 |  |  |  |  |  |  |  |
Senior Notes | 3.800% senior notes due April 1, 2021 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 750,000,000 |  |
Stated interest rate (as a percent) |  | 3.80% |  |  |  |  |  | 3.80% | 3.80% |  |
Gross long-term debt |  | $ 0 | 752,199,000 |  |  |  |  |  |  |  |
Senior Notes | 2.900% senior notes due May 15, 2030 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) | 2.90% | 2.90% |  |  |  |  |  |  |  |  |
Proceeds from long-term debt | $ 996,700,000 |  |  |  |  |  |  |  |  |  |
Capitalized debt issuance costs | $ 8,400,000 |  |  |  |  |  |  |  |  |  |
Gross long-term debt |  | $ 990,196,000 | 989,025,000 |  |  |  |  |  |  |  |
Senior Notes | 2.650% senior notes due February 15, 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |
Stated interest rate (as a percent) |  | 2.65% |  |  |  |  |  |  |  | 2.65% |
Gross long-term debt |  | $ 994,797,000 | 993,110,000 |  |  |  |  |  |  |  |
Senior Notes | 3.200% senior notes due August 15, 2029 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  |  | $ 1,250,000,000 |
Stated interest rate (as a percent) |  | 3.20% |  |  |  |  |  |  |  | 3.20% |
Gross long-term debt |  | $ 1,238,006,000 | 1,236,424,000 |  |  |  |  |  |  |  |
Senior Notes | 4.150% senior notes due August 15, 2049 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  |  | $ 750,000,000 |
Stated interest rate (as a percent) |  | 4.15% |  |  |  |  |  |  |  | 4.15% |
Gross long-term debt |  | $ 740,146,000 | 739,789,000 |  |  |  |  |  |  |  |
Senior Notes | 3.750% senior notes due June 1, 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 550,000,000 |  |
Stated interest rate (as a percent) |  | 3.75% |  |  |  |  |  |  | 3.75% |  |
Gross long-term debt |  | $ 557,186,000 | 562,258,000 |  |  |  |  |  |  |  |
Senior Notes | 4.000% senior notes due June 1, 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 550,000,000 |  |
Stated interest rate (as a percent) |  | 4.00% |  |  |  |  |  |  | 4.00% |  |
Gross long-term debt |  | $ 559,338,000 | 565,930,000 |  |  |  |  |  |  |  |
Senior Notes | 4.800% senior notes due April 1, 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 750,000,000 |  |
Stated interest rate (as a percent) |  | 4.80% |  |  |  |  |  |  | 4.80% |  |
Gross long-term debt |  | $ 798,024,000 | 809,324,000 |  |  |  |  |  |  |  |
Senior Notes | 4.450% senior notes due June 1, 2028 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  |  |  |  |  |  |  |  | $ 450,000,000 |  |
Stated interest rate (as a percent) |  | 4.45% |  |  |  |  |  |  | 4.45% |  |
Gross long-term debt |  | $ 478,194,000 | 482,588,000 |  |  |  |  |  |  |  |
Senior Notes and Secured Debt |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  | 60,700,000 |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  | 47,400,000 |  |  |  |  |  |  |  |
Secured Debt | Term Loan A |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rate of quarterly installment payments (as a percent) |  |  |  |  | 2.50% |  |  |  |  |  |
Secured Debt | Term Loan B-2 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized discount |  |  |  |  |  |  |  |  |  | $ 6,100,000 |
Capitalized debt issuance costs |  |  |  |  |  |  |  |  |  | $ 29,600,000 |
Unsecured Debt | Unsecured Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  | 9,900,000 |  |  |  |  |  |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  | 13,800,000 |  |  |  |  |  |  |  |
Unsecured term loan facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross long-term debt |  | 1,989,793,000 | 1,985,776,000 |  |  |  |  |  |  |  |
Forward-Starting Interest Rate Swap |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative settlement payments |  |  |  | $ 48,300,000 |  |  |  |  |  |  |
Forward-Starting Interest Rate Swap | Accounts payable & accrued liabilities |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000
Interest Rate Swap |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reclassification of net unrealized losses (gains) on hedging activities to interest expense |  | 34,200,000 |  |  |  |  |  |  |  |  |
Interest Rate Swap | Accounts payable & accrued liabilities |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount |  | 1,250,000,000 | 300,000,000 |  |  |  |  |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 1,267,400,000 |  |  |  |  |  |  |  |  |
Available borrowings under credit facility |  | 1,693,200,000 |  |  |  |  |  |  |  |  |
Repayments of lines of credit |  | 76,300,000 | $ 64,500,000 |  |  |  |  |  |  |  |
Amount outstanding under lines of credit |  | 484,200,000 |  |  |  |  |  |  |  |  |
Average outstanding balance |  | $ 487,700,000 |  |  |  |  |  |  |  |  |
Weighted-average interest rate of short-term debt (as a percent) |  | 2.22% |  |  |  |  |  |  |  |  |
Term Loan Facility | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Effective interest rate (as a percent) |  | 1.48% |  |  |  |  |  |  |  |  |
Term Loan Facility | Unsecured Debt | Five Year Senior Unsecured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  | $ 2,000,000,000 |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Fourth Amendment |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum leverage ratio |  | 3.50 |  |  |  |  |  |  |  |  |
Minimum interest coverage ratio |  |  |  |  |  |  | 3.00 |  |  |  |
Revolving Credit Facility | Unsecured Debt | Five Year Senior Unsecured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face amount of debt instrument |  | $ 3,000,000,000 |  |  |  |  |  |  |  |  |
Capitalized debt issuance costs |  | 12,800,000 |  |  |  |  |  |  |  |  |
Letter of Credit | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 250,000,000 |  |  |  |  |  |  |  |  |
Standby Letters of Credit | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Available borrowings under credit facility |  | $ 1,900,000,000 |  |  |  |  |  |  |  |  |
Minimum | Revolving Credit Facility | Fourth Amendment |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  | 0.125% |  |  |  |  |  |  |  |  |
Maximum | Revolving Credit Facility | Fourth Amendment |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  | 0.30% |  |  |  |  |  |  |  |  |
Fed Funds Effective Rate Overnight Index Swap Rate | Term Loan Facility | Unsecured Debt | Five Year Senior Unsecured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 0.50% |  |  |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Term Loan Facility | Unsecured Debt | Five Year Senior Unsecured Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 1.00% |  |  |  |  |  |  |  |  |

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