Guarantor Financial Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Mar. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2019 |
Condensed Cash Flow Statements, Captions [Line Items] | | | |
Cash flows provided by operating activities | | $ 271 | $ 214 |
Cash flows from investing activities | | | |
Additions to property, plant and equipment | | (94) | (73) |
Notes receivable, net | | 31 | 2 |
Acquisitions of business | | (18) | (50) |
Other investing activities, net | | 0 | 1 |
Total cash used in investing activities | | (143) | (124) |
Cash flows from financing activities | | | |
Proceeds from borrowings | | 1,547 | 745 |
Payments of debt issuance costs and discounts | | (16) | (2) |
Repayments on borrowings | | (925) | (727) |
Payment for debt extinguishment or debt prepayment cost | | 15 | 0 |
Repurchases of common stock | $ (60) | (60) | 0 |
Cash dividends paid | | (63) | (60) |
Other financing activities | | (3) | (5) |
Total cash provided by (used in) financing activities | | 465 | (49) |
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | | (1) | 0 |
Increase (decrease) in cash, cash equivalents, and restricted cash | | 592 | 41 |
Cash, cash equivalents, and restricted cash - beginning of period | | 159 | 96 |
Cash, cash equivalents, and restricted cash - end of period | | 751 | 137 |
Proceeds from sale of operations | | 3 | |
Reportable Legal Entities | Valvoline Inc. (Parent Issuer) | | | |
Condensed Cash Flow Statements, Captions [Line Items] | | | |
Cash flows provided by operating activities | | (369) | (94) |
Cash flows from investing activities | | | |
Additions to property, plant and equipment | | 0 | 0 |
Notes receivable, net | | 0 | 0 |
Acquisitions of business | | 0 | 0 |
Other investing activities, net | | | 0 |
Total cash used in investing activities | | 0 | 0 |
Cash flows from financing activities | | | |
Proceeds from borrowings | | 1,450 | 663 |
Payments of debt issuance costs and discounts | | (16) | (2) |
Repayments on borrowings | | (925) | (505) |
Payment for debt extinguishment or debt prepayment cost | | 15 | |
Repurchases of common stock | | (60) | |
Cash dividends paid | | (63) | (60) |
Other financing activities | | (2) | (2) |
Total cash provided by (used in) financing activities | | 369 | 94 |
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | | 0 | 0 |
Increase (decrease) in cash, cash equivalents, and restricted cash | | 0 | 0 |
Cash, cash equivalents, and restricted cash - beginning of period | | 0 | 0 |
Cash, cash equivalents, and restricted cash - end of period | | 0 | 0 |
Reportable Legal Entities | Guarantor Subsidiaries | | | |
Condensed Cash Flow Statements, Captions [Line Items] | | | |
Cash flows provided by operating activities | | 632 | 98 |
Cash flows from investing activities | | | |
Additions to property, plant and equipment | | (66) | (60) |
Notes receivable, net | | 29 | 0 |
Acquisitions of business | | (18) | (28) |
Other investing activities, net | | | 1 |
Total cash used in investing activities | | (113) | (87) |
Cash flows from financing activities | | | |
Proceeds from borrowings | | 0 | 0 |
Payments of debt issuance costs and discounts | | 0 | 0 |
Repayments on borrowings | | 0 | 0 |
Payment for debt extinguishment or debt prepayment cost | | 0 | |
Repurchases of common stock | | 0 | |
Cash dividends paid | | 0 | 0 |
Other financing activities | | (1) | (2) |
Total cash provided by (used in) financing activities | | (1) | (2) |
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | | 0 | 0 |
Increase (decrease) in cash, cash equivalents, and restricted cash | | 518 | 9 |
Cash, cash equivalents, and restricted cash - beginning of period | | 59 | 20 |
Cash, cash equivalents, and restricted cash - end of period | | 577 | 29 |
Reportable Legal Entities | Non-Guarantor Subsidiaries | | | |
Condensed Cash Flow Statements, Captions [Line Items] | | | |
Cash flows provided by operating activities | | 8 | 210 |
Cash flows from investing activities | | | |
Additions to property, plant and equipment | | (28) | (13) |
Notes receivable, net | | 2 | 2 |
Acquisitions of business | | 0 | (22) |
Other investing activities, net | | | 0 |
Total cash used in investing activities | | (30) | (37) |
Cash flows from financing activities | | | |
Proceeds from borrowings | | 97 | 82 |
Payments of debt issuance costs and discounts | | 0 | 0 |
Repayments on borrowings | | 0 | (222) |
Payment for debt extinguishment or debt prepayment cost | | 0 | |
Repurchases of common stock | | 0 | |
Payments for purchase of additional ownership in subsidiary | | | (1) |
Cash dividends paid | | 0 | 0 |
Other financing activities | | 0 | |
Total cash provided by (used in) financing activities | | 97 | (141) |
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | | (1) | 0 |
Increase (decrease) in cash, cash equivalents, and restricted cash | | 74 | 32 |
Cash, cash equivalents, and restricted cash - beginning of period | | 100 | 76 |
Cash, cash equivalents, and restricted cash - end of period | | 174 | 108 |
Reportable Legal Entities | Eliminations | | | |
Cash flows from financing activities | | | |
Payment for debt extinguishment or debt prepayment cost | | 0 | |
Eliminations | | | |
Condensed Cash Flow Statements, Captions [Line Items] | | | |
Cash flows provided by operating activities | | 0 | 0 |
Cash flows from investing activities | | | |
Additions to property, plant and equipment | | 0 | 0 |
Notes receivable, net | | 0 | |
Acquisitions of business | | 0 | 0 |
Other investing activities, net | | | 0 |
Total cash used in investing activities | | 0 | 0 |
Cash flows from financing activities | | | |
Proceeds from borrowings | | 0 | 0 |
Payments of debt issuance costs and discounts | | 0 | 0 |
Repayments on borrowings | | 0 | 0 |
Repurchases of common stock | | 0 | |
Cash dividends paid | | 0 | 0 |
Other financing activities | | 0 | 0 |
Total cash provided by (used in) financing activities | | 0 | 0 |
Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | | 0 | 0 |
Increase (decrease) in cash, cash equivalents, and restricted cash | | 0 | 0 |
Cash, cash equivalents, and restricted cash - beginning of period | | 0 | 0 |
Cash, cash equivalents, and restricted cash - end of period | | $ 0 | $ 0 |