XML 82 R65.htm IDEA: XBRL DOCUMENT
v3.20.4

Debt - Summary of Debt (Parenthetical) (Detail) | Dec. 31, 2020 | Nov. 30, 2020
--- | --- | ---
4.70% senior notes due 2020 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.70% |
3.15% senior notes due 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.15% |
3.75% senior notes due 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.75% |
4.00% senior notes due 2022 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.00% |
3.85% senior notes due 2023 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.85% | 3.85%
4.00% senior notes due 2024 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.00% |
4.875% senior notes due 2025 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.875% |
3.90% senior notes due 2025 |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.90% |
4.20% senior notes due 2026 |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.20% |
5.375% senior notes due 2036 |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.375% |
5.50% senior notes due 2046 |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.50% |

X
- Definition Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A470SeniorNotesDue2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A3.15SeniorNotesdue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A375SeniorExchangeNotesDue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A400SeniorNotesDue2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A385SeniorNotesDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A4.00SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A4875SeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A3.90SeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A420SeniorNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A5375SeniorNotesDue2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nwl_A55SeniorNotesDue2046Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |