XML 29 R17.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Accumulated Other Comprehensive Loss (AOCL) | 3 Months Ended
--- | ---
Mar. 31, 2024
Accumulated Other Comprehensive Income [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss (AOCL)
($ in millions) | Foreign Currency Translation Adjustments (a) |  | Pension and Other Postretirement Benefit Adjustments, net of tax (b) |  | Unrealized Gain on Derivatives, net of tax |  | Accumulated Other Comprehensive Loss
January 1, 2023 | ($2,254) |  |  | ($557) |  |  | $1 |  |  | ($2,810) |
Current year deferrals to AOCL | 262 |  |  | (9) |  |  | — |  |  | 253 |
Reclassifications from AOCL to net income | 1 |  |  | 148 |  |  | — |  |  | 149 |
March 31, 2023 | ($1,991) |  |  | ($418) |  |  | $1 |  |  | ($2,408) |
January 1, 2024 | ($1,746) |  |  | ($494) |  |  | $1 |  |  | ($2,239) |
Current year deferrals to AOCL | (12) |  |  | (3) |  |  | — |  |  | (15) |
Reclassifications from AOCL to net income | — |  |  | 3 |  |  | — |  |  | 3 |
March 31, 2024 | ($1,758) |  |  | ($494) |  |  | $1 |  |  | ($2,251) |
(a)The tax cost related to unrealized foreign currency translation adjustments on net investment hedges was $68 million and $64 million as of March 31, 2024 and 2023, respectively. (b)The tax benefit related to the adjustment for pension and other postretirement benefits was $1 million and $46 million for the three months ended March 31, 2024 and 2023, respectively. Reclassifications from AOCL are included in the computation of net periodic benefit cost (See Note 9, "Pensions and Other Postretirement Benefits").

X
- Definition Accumulated Other Comprehensive Income [Abstract] + References No definition available. + Details
Name: | ppg_AccumulatedOtherComprehensiveIncomeAbstract
Namespace Prefix: | ppg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration