XML 71 R62.htm IDEA: XBRL DOCUMENT
v3.21.2

Analysis of cash flows - Summary of Analysis of Cash Flows (Parenthetical) (Detail) € in Millions, £ in Millions | Jun. 29, 2021 GBP (£) | Jun. 30, 2020 GBP (£) | Jun. 30, 2020 EUR (€)
--- | --- | --- | ---
Kantar [member] |  |  |
Disclosure Of Cash Flow Statement [line items] |  |  |
Payments for further investment | £ | £ 92.9 |  |
Proceeds from issue of EURO 750 million bonds [member} |  |  |
Disclosure Of Cash Flow Statement [line items] |  |  |
Bond amount | € |  |  | € 750
Proceeds from issue of GBP 250 million bonds [member] |  |  |
Disclosure Of Cash Flow Statement [line items] |  |  |
Bond amount | £ |  | £ 250.0 |
Repayment of EURO 250 million bonds [member] |  |  |
Disclosure Of Cash Flow Statement [line items] |  |  |
Bond amount | € |  |  | € 250

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Disclosure of cash flow statement + References No definition available. + Details
Name: | wpp_DisclosureOfCashFlowStatementLineItems
Namespace Prefix: | wpp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments For Additional Investments + References No definition available. + Details
Name: | wpp_PaymentsForAdditionalInvestments
Namespace Prefix: | wpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=wpp_KantarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=wpp_ProceedsFromIssueOfEuro750MillionBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=wpp_ProceedsFromIssueOfGbp250MillionBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=wpp_RepaymentOfEuro250MillionBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |