XML 97 R80.htm IDEA: XBRL DOCUMENT v3.22.0.1

DEBT - Notes and Debentures (Details) - USD ($) $ in Millions						12 Months Ended
	Mar. 22, 2021	Mar. 04, 2021	Sep. 29, 2020	Sep. 18, 2020	Dec. 19, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt
Proceeds from issuance of debt		$ 1,495
Repayments of notes payable						$ 1,326	$ 400	$ 201
Debt extinguishment costs						$ 160	5	$ 2
7.750%, due August 1, 2029 | Senior notes and debentures
Debt
Interest rate (as a percent)						7.75%
2.000%, due October 1, 2030
Debt
Interest rate (as a percent)				2.00%
Long-term debt, gross				$ 300
Proceeds from issuance of debt				$ 300
2.000%, due October 1, 2030 | Senior notes and debentures
Debt
Interest rate (as a percent)						2.00%
4.500%, due May 15, 2047
Debt
Interest rate (as a percent)				4.50%
Long-term debt, gross				$ 100			$ 300
Proceeds from issuance of debt				$ 119
4.500%, due May 15, 2047 | Senior notes and debentures
Debt
Interest rate (as a percent)						4.50%
3.5% Notes and Debentures Due April 1, 2021
Debt
Interest rate (as a percent)			3.50%
Repayments of notes payable			$ 400
Debt extinguishment costs			$ 6
7.125% Notes and Debentures Due 15 March 2020
Debt
Debt extinguishment costs					$ 2
7.125% Notes and Debentures Due 15 March 2020 | Senior notes and debentures
Debt
Interest rate (as a percent)					7.125%
Repayments of notes payable					$ 201
1.500%, due February 15, 2028
Debt
Interest rate (as a percent)		1.50%
Long-term debt, gross		$ 600
1.500%, due February 15, 2028 | Senior notes and debentures
Debt
Interest rate (as a percent)						1.50%
2.000%, due February 15, 2031
Debt
Interest rate (as a percent)		2.00%
Long-term debt, gross		$ 600
2.000%, due February 15, 2031 | Senior notes and debentures
Debt
Interest rate (as a percent)						2.00%
3.125%, due February 15, 2051
Debt
Interest rate (as a percent)		3.125%
Long-term debt, gross		$ 300
3.125%, due February 15, 2051 | Senior notes and debentures
Debt
Interest rate (as a percent)						3.125%
5.950%, due March 15, 2022
Debt
Interest rate (as a percent)	5.95%
Repayments of notes payable	$ 326
5.950%, due March 15, 2022 | Senior notes and debentures
Debt
Interest rate (as a percent)						5.95%
4.450%, due April 1, 2025
Debt
Interest rate (as a percent)	4.45%
Repayments of notes payable	$ 500
4.450%, due April 1, 2025 | Senior notes and debentures
Debt
Interest rate (as a percent)						4.45%
4.375%, due April 1, 2026
Debt
Interest rate (as a percent)	4.375%
Repayments of notes payable	$ 500
4.375%, due April 1, 2026 | Senior notes and debentures
Debt
Interest rate (as a percent)						4.375%
5.95% Notes and Debentures due 2022, 4.45% Notes and Debentures due April 2025, and 4.375% Notes and Debentures Due April 1, 2026
Debt
Debt extinguishment costs						$ 168

X

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: 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))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: 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:	dtr-types: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

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A7.75NotesAndDebenturesdue2029Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A20NotesAndDebenturesDue2030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A4.5NotesandDebenturesDueMay152047Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A3.5NotesandDebenturesDueApril12021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A7.125NotesandDebenturesdueMarch152020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A1500NotesAndDebenturesDueFebruary152028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A2000NotesAndDebenturesDueFebruary152031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A3125NotesAndDebenturesDueFebruary152051Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A5.95NotesandDebenturesdue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A4.45NotesandDebenturesdueApril2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A4.375NotesandDebenturesDueApril12026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mas_A595NotesAndDebenturesDue2022445NotesAndDebenturesDueApril2025And4375NotesAndDebenturesDueApril12026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: