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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001053507-21-000026
Filing Date
2021-02-25
Accepted
2021-02-25 16:15:20
Documents
170
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K amt-20201231.htm   iXBRL 10-K 5289707
2 EX-4.26 exhibit426fy2020.htm EX-4.26 242692
3 EX-10.28 exhibit1028fy2020.htm EX-10.28 9396
4 EX-10.29 exhibit1029.htm EX-10.29 1001367
5 EX-10.30 exhibit1030.htm EX-10.30 879673
6 EX-10.32 exhibit1032.htm EX-10.32 68918
7 EX-10.39 exhibit1039.htm EX-10.39 801657
8 EX-10.40 exhibit1040.htm EX-10.40 23276
9 EX-10.41 exhibit1041.htm EX-10.41 525632
10 EX-10.42 exhibit1042.htm EX-10.42 439567
11 EX-10.43 exhibit1043.htm EX-10.43 174999
12 EX-10.44 exhibit1044.htm EX-10.44 753683
13 EX-10.45 exhibit1045.htm EX-10.45 743383
14 EX-21 exhibit21fy2020.htm EX-21 148460
15 EX-23 exhibit23fy2020.htm EX-23 2430
16 EX-31.1 exhibit311fy2020.htm EX-31.1 12787
17 EX-31.2 exhibit312fy2020.htm EX-31.2 12939
18 EX-32 exhibit32fy2020.htm EX-32 9713
24 amt-20201231_g1.jpg GRAPHIC 288071
25 image_01.jpg GRAPHIC 17143
  Complete submission text file 0001053507-21-000026.txt   31747026

Data Files

Seq Description Document Type Size
19 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT amt-20201231.xsd EX-101.SCH 145239
20 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT amt-20201231_cal.xml EX-101.CAL 215315
21 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT amt-20201231_def.xml EX-101.DEF 812772
22 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT amt-20201231_lab.xml EX-101.LAB 1545192
23 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT amt-20201231_pre.xml EX-101.PRE 1148242
26 EXTRACTED XBRL INSTANCE DOCUMENT amt-20201231_htm.xml XML 5263950
Mailing Address 116 HUNTINGTON AVE BOSTON MA 02116
Business Address 116 HUNTINGTON AVE BOSTON MA 02116 6173757500
AMERICAN TOWER CORP /MA/ (Filer) CIK: 0001053507 (see all company filings)

IRS No.: 650723837 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14195 | Film No.: 21680515
SIC: 6798 Real Estate Investment Trusts