| Submission | Nov. 18, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001053507 |
| Registrant Name | AMERICAN TOWER CORP /MA/ |
| Registration File Number | 333-265348 |
| Form Type | S-3 |
| Submission Type | 424B2 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Nov. 18, 2024 USD ($) |
| Offering: 1 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | 5.000% Senior Notes due 2030 |
| Maximum Aggregate Offering Price | $ 597,732,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 91,512.77 |
| Offering Note | (1) The maximum aggregate offering price of the offering related to the prospectus supplement dated November 18, 2024 to the prospectus dated June 1, 2022, to which this Exhibit 107 is attached, is $1,194,462,000. |
| Offering: 2 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | 5.400% Senior Notes due 2035 |
| Maximum Aggregate Offering Price | $ 596,730,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 91,359.36 |
| Offering Note | (1) The maximum aggregate offering price of the offering related to the prospectus supplement dated November 18, 2024 to the prospectus dated June 1, 2022, to which this Exhibit 107 is attached, is $1,194,462,000. |
| Fees Summary | Nov. 18, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,194,462,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | $ 182,872.13 |
