XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.23.1

Debt (Schedule of Principal Values, Fair Values, and Carrying Values of Debt) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Principal Balance | $ 12,901,000,000 | $ 12,952,000,000
Fair Value | 11,896,703,000 | 11,819,108,000
Carrying Value | 12,821,828,000 | 12,868,162,000
Less: current maturities of long-term debt | (24,000,000) | (24,000,000)
Total long-term debt, net of current maturities | $ 12,797,828,000 | 12,844,162,000
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Jul. 07, 2026 |
Principal Balance | $ 675,000,000 | 720,000,000
Fair Value | 675,000,000 | 720,000,000
Carrying Value | $ 675,000,000 | 720,000,000
2018 Term Loan [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Apr. 11, 2025 |
Principal Balance | $ 2,286,000,000 | 2,292,000,000
Fair Value | 2,286,000,000 | 2,280,540,000
Carrying Value | $ 2,278,817,000 | 2,284,007,000
2014-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Oct. 08, 2024 |
Principal Balance | $ 620,000,000 | 620,000,000
Fair Value | 604,612,000 | 598,480,000
Carrying Value | $ 618,357,000 | 618,099,000
2019-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Jan. 12, 2025 |
Principal Balance | $ 1,165,000,000 | 1,165,000,000
Fair Value | 1,110,828,000 | 1,095,776,000
Carrying Value | $ 1,160,474,000 | 1,159,860,000
2020-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Jan. 09, 2026 |
Principal Balance | $ 750,000,000 | 750,000,000
Fair Value | 678,660,000 | 665,633,000
Carrying Value | $ 745,841,000 | 745,480,000
2020-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Jan. 11, 2028 |
Principal Balance | $ 600,000,000 | 600,000,000
Fair Value | 519,390,000 | 506,574,000
Carrying Value | $ 595,793,000 | 595,586,000
2021-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Nov. 09, 2026 |
Principal Balance | $ 1,165,000,000 | 1,165,000,000
Fair Value | 1,014,550,000 | 991,705,000
Carrying Value | $ 1,156,304,000 | 1,155,724,000
2021-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Apr. 09, 2027 |
Principal Balance | $ 895,000,000 | 895,000,000
Fair Value | 774,265,000 | 756,302,000
Carrying Value | $ 887,867,000 | 887,443,000
2021-3C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Oct. 09, 2031 |
Principal Balance | $ 895,000,000 | 895,000,000
Fair Value | 709,565,000 | 686,134,000
Carrying Value | $ 886,711,000 | 886,495,000
2022-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Jan. 11, 2028 |
Principal Balance | $ 850,000,000 | 850,000,000
Fair Value | 868,488,000 | 855,899,000
Carrying Value | $ 840,091,000 | 840,053,000
2020 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Feb. 15, 2027 |
Principal Balance | $ 1,500,000,000 | 1,500,000,000
Fair Value | 1,406,595,000 | 1,375,815,000
Carrying Value | $ 1,487,739,000 | 1,487,013,000
2021 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Maturity Date | Feb. 01, 2029 |
Principal Balance | $ 1,500,000,000 | 1,500,000,000
Fair Value | 1,248,750,000 | 1,286,250,000
Carrying Value | $ 1,488,834,000 | $ 1,488,402,000

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandEighteenTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandFourteenHyphenTwoCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandNineteenHyphenOneCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_SeniorNotesSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sbac_SeniorNotesNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |