CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash investments	$ 377	$ 634
Receivables	1,258	1,035
Inventories	1,047	938
Prepaid expenses and other	116	123
Total current assets	2,798	2,730
Property and equipment, net	1,133	1,116
Goodwill	605	597
Other intangible assets, net	218	220
Operating lease right-of-use assets	237	231
Other assets	115	123
Total assets	5,107	5,016
Current liabilities:
Accounts payable	868	789
Notes payable	133	3
Accrued liabilities	602	767
Total current liabilities	1,603	1,560
Long-term debt	2,945	2,945
Noncurrent operating lease liabilities	228	223
Other liabilities	337	342
Total liabilities	5,113	5,069
Commitments and contingencies (Note L)
Masco Corporation's shareholders' equity:
Common shares, par value $1 per share Authorized shares: 1,400,000,000; Issued and outstanding: 2025 – 210,900,000; 2024 – 212,500,000	211	212
Preferred shares authorized: 1,000,000; Issued and outstanding: 2025 and 2024 – None	0	0
Paid-in capital	0	0
Retained deficit	(693)	(693)
Accumulated other comprehensive income	228	201
Total Masco Corporation's shareholders' deficit	(254)	(279)
Noncontrolling interest	248	227
Total equity	(6)	(53)
Total liabilities and equity	$ 5,107	$ 5,016

Equity, Attributable to Noncontrolling Interest, Net

No definition available.

Name:	mas_EquityAttributableToNoncontrollingInterestNet
Namespace Prefix:	mas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).