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Condensed Consolidating Financial Statements - Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |
Net income | $ 457 | $ 412 | $ 887 | $ 735
Adjustments to reconcile net income to cash provided by operating activities: |  |  |  |
Depreciation |  |  | 39 | 40
Amortization of intangibles |  |  | 49 | 47
Provision for losses on accounts receivable |  |  | 13 | 8
Stock-based compensation |  |  | 41 | 34
Other |  |  | 26 | 43
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions: |  |  |  |
Accounts receivable |  |  | (49) | (39)
Prepaid and other current assets |  |  | (13) | (14)
Accounts payable and accrued expenses |  |  | (139) | (171)
Unearned revenue |  |  | (17) | 38
Accrued legal settlements |  |  | (4) | (108)
Other current liabilities |  |  | (85) | (21)
Net change in prepaid/accrued income taxes |  |  | (45) | 92
Net change in other assets and liabilities |  |  | (29) | (44)
Cash provided by operating activities |  |  | 674 | 640
Investing Activities: |  |  |  |
Capital expenditures |  |  | (56) | (36)
Acquisitions, net of cash acquired |  |  | (70) | (52)
Proceeds from dispositions |  |  | 2 | 0
Cash used for investing activities |  |  | (124) | (88)
Financing Activities: |  |  |  |
Additions to short-term debt, net |  |  | 0 | 166
Dividends paid to shareholders |  |  | (212) | (191)
Distributions to noncontrolling interest holders |  |  | (54) | (57)
Repurchase of treasury shares |  |  | (346) | (373)
Exercise of stock options |  |  | 38 | 65
Employee withholding tax on share-based payments |  |  | (44) | (50)
Intercompany financing activities |  |  | 0 | 0
Cash used for financing activities |  |  | (618) | (440)
Effect of exchange rate changes on cash from continuing operations |  |  | 60 | (26)
Net change in cash and cash equivalents |  |  | (8) | 86
Cash and cash equivalents at beginning of period |  |  | 2,392 | 1,481
Cash and cash equivalents at end of period | 2,384 | 1,567 | 2,384 | 1,567
Eliminations |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |
Net income | (1,719) | (830) | (3,780) | (2,122)
Adjustments to reconcile net income to cash provided by operating activities: |  |  |  |
Depreciation |  |  | 0 | 0
Amortization of intangibles |  |  | 0 | 0
Provision for losses on accounts receivable |  |  | 0 | 0
Stock-based compensation |  |  | 0 | 0
Other |  |  | 0 | 0
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions: |  |  |  |
Accounts receivable |  |  | 0 | 0
Prepaid and other current assets |  |  | 0 | 0
Accounts payable and accrued expenses |  |  | 0 | 0
Unearned revenue |  |  | 0 | 0
Accrued legal settlements |  |  | 0 | 0
Other current liabilities |  |  | 0 | 0
Net change in prepaid/accrued income taxes |  |  | 0 | 0
Net change in other assets and liabilities |  |  | 0 | 0
Cash provided by operating activities |  |  | (3,780) | (2,122)
Investing Activities: |  |  |  |
Capital expenditures |  |  | 0 | 0
Acquisitions, net of cash acquired |  |  | 0 | 0
Proceeds from dispositions |  |  | 0 |
Cash used for investing activities |  |  | 0 | 0
Financing Activities: |  |  |  |
Additions to short-term debt, net |  |  |  | 0
Dividends paid to shareholders |  |  | 0 | 0
Distributions to noncontrolling interest holders |  |  | 0 | 0
Repurchase of treasury shares |  |  | 0 | 0
Exercise of stock options |  |  | 0 | 0
Employee withholding tax on share-based payments |  |  | 0 | 0
Intercompany financing activities |  |  | 3,780 | 2,122
Cash used for financing activities |  |  | 3,780 | 2,122
Effect of exchange rate changes on cash from continuing operations |  |  | 0 | 0
Net change in cash and cash equivalents |  |  | 0 | 0
Cash and cash equivalents at beginning of period |  |  | 0 | 0
Cash and cash equivalents at end of period | 0 | 0 | 0 | 0
S&P Global Inc. |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |
Net income | 1,075 | 597 | 2,311 | 1,391
Adjustments to reconcile net income to cash provided by operating activities: |  |  |  |
Depreciation |  |  | 15 | 19
Amortization of intangibles |  |  | 0 | 0
Provision for losses on accounts receivable |  |  | 0 | 1
Stock-based compensation |  |  | 14 | 10
Other |  |  | 17 | (1)
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions: |  |  |  |
Accounts receivable |  |  | 14 | (7)
Prepaid and other current assets |  |  | (18) | (21)
Accounts payable and accrued expenses |  |  | (40) | (26)
Unearned revenue |  |  | 1 | 18
Accrued legal settlements |  |  | 0 | 0
Other current liabilities |  |  | (33) | (23)
Net change in prepaid/accrued income taxes |  |  | (55) | 83
Net change in other assets and liabilities |  |  | (17) | (31)
Cash provided by operating activities |  |  | 2,209 | 1,413
Investing Activities: |  |  |  |
Capital expenditures |  |  | (19) | (16)
Acquisitions, net of cash acquired |  |  | 0 | (40)
Proceeds from dispositions |  |  | 0 |
Cash used for investing activities |  |  | (19) | (56)
Financing Activities: |  |  |  |
Additions to short-term debt, net |  |  |  | 166
Dividends paid to shareholders |  |  | (212) | (191)
Distributions to noncontrolling interest holders |  |  | 0 | 0
Repurchase of treasury shares |  |  | (346) | (373)
Exercise of stock options |  |  | 38 | 64
Employee withholding tax on share-based payments |  |  | (44) | (50)
Intercompany financing activities |  |  | (1,842) | (1,038)
Cash used for financing activities |  |  | (2,406) | (1,422)
Effect of exchange rate changes on cash from continuing operations |  |  | 14 | (40)
Net change in cash and cash equivalents |  |  | (202) | (105)
Cash and cash equivalents at beginning of period |  |  | 711 | 167
Cash and cash equivalents at end of period | 509 | 62 | 509 | 62
Standard & Poor's Financial Services LLC |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |
Net income | 149 | 254 | 297 | 440
Adjustments to reconcile net income to cash provided by operating activities: |  |  |  |
Depreciation |  |  | 5 | 5
Amortization of intangibles |  |  | 0 | 0
Provision for losses on accounts receivable |  |  | 4 | 1
Stock-based compensation |  |  | 10 | 7
Other |  |  | 0 | 8
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions: |  |  |  |
Accounts receivable |  |  | (63) | 148
Prepaid and other current assets |  |  | 3 | 13
Accounts payable and accrued expenses |  |  | 34 | (98)
Unearned revenue |  |  | 28 | (375)
Accrued legal settlements |  |  | (1) | (108)
Other current liabilities |  |  | (4) | (25)
Net change in prepaid/accrued income taxes |  |  | 0 | 0
Net change in other assets and liabilities |  |  | 1 | 27
Cash provided by operating activities |  |  | 314 | 43
Investing Activities: |  |  |  |
Capital expenditures |  |  | (10) | (7)
Acquisitions, net of cash acquired |  |  | 0 | 0
Proceeds from dispositions |  |  | 0 |
Cash used for investing activities |  |  | (10) | (7)
Financing Activities: |  |  |  |
Additions to short-term debt, net |  |  |  | 0
Dividends paid to shareholders |  |  | 0 | 0
Distributions to noncontrolling interest holders |  |  | 0 | 0
Repurchase of treasury shares |  |  | 0 | 0
Exercise of stock options |  |  | 0 | 0
Employee withholding tax on share-based payments |  |  | 0 | 0
Intercompany financing activities |  |  | (304) | (36)
Cash used for financing activities |  |  | (304) | (36)
Effect of exchange rate changes on cash from continuing operations |  |  | 0 | 0
Net change in cash and cash equivalents |  |  | 0 | 0
Cash and cash equivalents at beginning of period |  |  | 0 | 0
Cash and cash equivalents at end of period | 0 | 0 | 0 | 0
Non-Guarantor Subsidiaries |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |
Net income | 952 | 391 | 2,059 | 1,026
Adjustments to reconcile net income to cash provided by operating activities: |  |  |  |
Depreciation |  |  | 19 | 16
Amortization of intangibles |  |  | 49 | 47
Provision for losses on accounts receivable |  |  | 9 | 6
Stock-based compensation |  |  | 17 | 17
Other |  |  | 9 | 36
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions: |  |  |  |
Accounts receivable |  |  | 0 | (180)
Prepaid and other current assets |  |  | 2 | (6)
Accounts payable and accrued expenses |  |  | (133) | (47)
Unearned revenue |  |  | (46) | 395
Accrued legal settlements |  |  | (3) | 0
Other current liabilities |  |  | (48) | 27
Net change in prepaid/accrued income taxes |  |  | 10 | 9
Net change in other assets and liabilities |  |  | (13) | (40)
Cash provided by operating activities |  |  | 1,931 | 1,306
Investing Activities: |  |  |  |
Capital expenditures |  |  | (27) | (13)
Acquisitions, net of cash acquired |  |  | (70) | (12)
Proceeds from dispositions |  |  | 2 |
Cash used for investing activities |  |  | (95) | (25)
Financing Activities: |  |  |  |
Additions to short-term debt, net |  |  |  | 0
Dividends paid to shareholders |  |  | 0 | 0
Distributions to noncontrolling interest holders |  |  | (54) | (57)
Repurchase of treasury shares |  |  | 0 | 0
Exercise of stock options |  |  | 0 | 1
Employee withholding tax on share-based payments |  |  | 0 | 0
Intercompany financing activities |  |  | (1,634) | (1,048)
Cash used for financing activities |  |  | (1,688) | (1,104)
Effect of exchange rate changes on cash from continuing operations |  |  | 46 | 14
Net change in cash and cash equivalents |  |  | 194 | 191
Cash and cash equivalents at beginning of period |  |  | 1,681 | 1,314
Cash and cash equivalents at end of period | $ 1,875 | $ 1,505 | $ 1,875 | $ 1,505

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- Definition Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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