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Debt - Narrative (Details) |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 02, 2022 USD ($) | Apr. 26, 2021 USD ($) | Jun. 30, 2022 USD ($) note | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) performance_indicator note | Jun. 30, 2021 USD ($) | Mar. 04, 2022 USD ($) | Feb. 28, 2022 USD ($) | Feb. 25, 2022 USD ($) | Feb. 24, 2022 USD ($) | Dec. 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long-term debt, fair value |  |  | $ 9,700,000,000 |  | $ 9,700,000,000 |  |  |  |  |  | $ 4,400,000,000
Loss on extinguishment of debt, net |  |  | 2,000,000 | $ 0 | 19,000,000 | $ 0 |  |  |  |  |
Tender premium paid |  |  |  |  | 118,000,000 |  |  |  |  |  |
Non-cash write-off |  |  |  |  | $ 99,000,000 |  |  |  |  |  |
Indebtedness to cash flow (not greater than) |  |  |  |  | 4 |  |  |  |  |  |
Commercial paper |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | 2,000,000,000 |  | $ 2,000,000,000 |  |  |  |  |  |
Outstanding borrowing Credit Facility |  |  | 0 |  | $ 0 |  |  |  |  |  | $ 0
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 2,000,000,000 | $ 1,500,000,000 |
Additional commitments increase for accordion feature |  | $ 500,000,000 |  |  |  |  |  |  |  |  |
Performance indicators | performance_indicator |  |  |  |  | 3 |  |  |  |  |  |
Credit Facility | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 1,500,000,000 | $ 2,000,000,000 |  | $ 2,000,000,000 |  |  |  |  |  |
Credit facility term |  | 5 years |  |  | 5 years |  |  |  |  |  |
Commitment fee |  |  |  |  | 0.08% |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, fair value |  |  |  |  |  |  |  | $ 292,000,000 |  |  |
Senior Notes | 5.0% Senior Notes due 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 5.00% |  | 5.00% |  |  |  |  |  |
Senior Notes | 4.125% Senior Notes due 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.125% |  | 4.125% |  |  |  |  |  |
Senior Notes | 3.625% Senior Notes due 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 3.625% |  | 3.625% |  |  |  |  |  |
Senior Notes | 4.75% Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.75% |  | 4.75% |  |  |  |  |  |
Senior Notes | 4.00% Senior Notes due 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.00% |  | 4.00% |  |  |  |  |  |
Senior Notes | 4.75% Senior Notes due 2028 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.75% |  | 4.75% |  |  |  |  |  |
Senior Notes | 4.25% Senior Notes due 2029 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.25% |  | 4.25% |  |  |  |  |  |
Senior Notes | 2.45% Senior Notes due 2027 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 2.45% |  | 2.45% |  | 2.45% |  |  |  |
Debt issued |  |  |  |  |  |  | $ 1,250,000,000 |  |  |  |
Senior Notes | 2.7% Sustainability-Linked Senior Notes, due 2029 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 2.70% |  | 2.70% |  | 2.70% |  |  |  |
Debt issued |  |  |  |  |  |  | $ 1,250,000,000 |  |  |  |
Senior Notes | 2.90% Senior Notes due 2032 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 2.90% |  | 2.90% |  | 2.90% |  |  |  |
Debt issued |  |  |  |  |  |  | $ 1,500,000,000 |  |  |  |
Senior Notes | 3.70% Senior Notes due 2052 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 3.70% |  | 3.70% |  | 3.70% |  |  |  |
Debt issued |  |  |  |  |  |  | $ 1,000,000,000 |  |  |  |
Senior Notes | 3.9% Senior Notes due 2062 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 3.90% |  | 3.90% |  | 3.90% |  |  |  |
Debt issued |  |  |  |  |  |  | $ 500,000,000 |  |  |  |
Senior Notes | 4.125% Senior Notes due 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  | 4.125% |  |  |  |
Senior Notes | 3.625% Senior Notes due 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  | 3.625% |  |  |  |
Senior Notes | 4.0% Senior Notes due 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  | 4.00% |  |  |  |
Senior Notes | 5.0% Senior Notes due 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 5.00% |  | 5.00% |  | 5.00% |  |  |  |
Extinguishment of debt |  |  | $ 52,000,000 |  |  |  |  |  |  |  |
Senior Notes | 4.750% Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.75% |  | 4.75% |  | 4.75% |  |  |  |
Extinguishment of debt |  |  | $ 247,000,000 |  |  |  |  |  |  |  |
Senior Notes | 4.0% Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  | 4.00% |  | 4.00% |  | 4.00% |  |  |  |
Extinguishment of debt |  |  | $ 287,000,000 |  |  |  |  |  |  |  |
IHS Markit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  | 4,191,000,000 |  |  |
Debt conversion rate | 96.00% |  |  |  |  |  |  |  |  |  |
Original amount | $ 4,500,000,000 |  |  |  |  |  |  |  |  |  |
IHS Markit | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long term debt, principal amount |  |  |  |  |  |  |  | 4,600,000,000 |  |  |
Long-term debt |  |  |  |  |  |  |  | $ 4,900,000,000 |  |  |
Outstanding principal |  |  | $ 175,000,000 |  | $ 175,000,000 |  |  |  |  |  |
Number of senior notes | note |  |  | 7 |  | 7 |  |  |  |  |  |
IHS Markit | Senior Notes | 5.0% Senior Notes due 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 5.00% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 748,000,000,000 |  |  |
IHS Markit | Senior Notes | 4.125% Senior Notes due 2023 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 4.125% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 500,000,000,000 |  |  |
IHS Markit | Senior Notes | 3.625% Senior Notes due 2024 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 3.625% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 400,000,000,000 |  |  |
IHS Markit | Senior Notes | 4.75% Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 4.75% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 800,000,000,000 |  |  |
IHS Markit | Senior Notes | 4.00% Senior Notes due 2026 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 4.00% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 500,000,000,000 |  |  |
IHS Markit | Senior Notes | 4.75% Senior Notes due 2028 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 4.75% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 750,000,000,000 |  |  |
IHS Markit | Senior Notes | 4.25% Senior Notes due 2029 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 4.25% |  |  |
Outstanding principal |  |  |  |  |  |  |  | $ 950,000,000,000 |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: 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 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(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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