XML 126 R104.htm IDEA: XBRL DOCUMENT
v3.21.1

Net Income Per Share (Narrative) (Details) - Convertible Debt - $ / shares | Apr. 02, 2021 | May 26, 2020 | Apr. 03, 2020 | Mar. 10, 2020 | Mar. 05, 2020 | Feb. 04, 2020 | Jan. 31, 2020 | Nov. 11, 2019 | Mar. 29, 2019 | Aug. 01, 2016 | Mar. 04, 2016
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
2.5% Convertible Senior Notes due April 1, 2021 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion price (in USD per share) |  |  | $ 8.40 |  |  |  |  |  | $ 16.77 |  |
Stated interest rate (as a percent) |  |  |  | 2.50% |  | 2.50% |  | 2.50% |  |  | 2.50%
2.0% Convertible Senior Notes due August 15, 2021 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion price (in USD per share) |  |  | 10.23 |  |  |  |  |  | $ 20.41 |  |
Stated interest rate (as a percent) |  | 2.00% |  |  |  | 2.00% |  | 2.00% |  | 2.00% |
New 2.5% Convertible Senior Notes due April 1, 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion price (in USD per share) | $ 16.77 |  | 16.77 |  | $ 19 | $ 16.77 | $ 8.40 |  |  |  |
Stated interest rate (as a percent) | 2.50% |  |  |  | 2.50% | 2.50% |  | 2.50% |  |  |
New 2.0% Convertible Senior Notes due August 15, 2022 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion price (in USD per share) | $ 20.41 | $ 19.25 | $ 20.41 |  |  | $ 20.41 | $ 10.23 |  |  |  |
Stated interest rate (as a percent) | 2.00% | 2.00% |  |  |  | 2.00% |  | 2.00% |  |  |

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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=nlok_A2.5ConvertibleSeniorNotesDueApril12021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nlok_A2.0ConvertibleSeniorNotesDueAugust152021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nlok_New25ConvertibleNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nlok_New2.0ConvertibleNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |