XML 46 R37.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Short-Term Borrowings and Long-Term Debt Subsequent Events (Details) - USD ($) $ in Millions | Oct. 31, 2022 | May 31, 2022
--- | --- | ---
Subsequent Event [Line Items] |  |
Par Value |  | $ 6,000
Subsequent Event |  |
Subsequent Event [Line Items] |  |
Par Value | $ 9,000 |
5.000% notes due October 2024 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.00% |
Par Value | $ 500 |
5.150% notes due October 2025 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.15% |
Par Value | $ 750 |
5.250% notes due February 2028 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.25% |
Par Value | $ 1,000 |
5.300% notes due February 2030 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.30% |
Par Value | $ 1,250 |
5.350% notes due February 2033 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.35% |
Par Value | $ 2,000 |
5.875% notes due February 2053 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.875% |
Par Value | $ 2,000 |
6.050% notes due February 2063 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.05% |
Par Value | $ 1,500 |

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 Contractual interest rate for funds borrowed, under the debt agreement. + 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 (b) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5000NotesDueOctober2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5150NotesDueOctober2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5250NotesDueFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5300NotesDueFebruary2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5350NotesDueFebruary2033Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A5875NotesDueFebruary2053Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=unh_A6050NotesDueFebruary2063Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |