XML 123 R56.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Accumulated other Comprehensive Income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table sets forth the changes in AOCI by component during the years ended December 31, 2024, 2023 and 2022:
(in millions) | Foreign Currency Translation Gain (Loss) |  | Net Actuarial Gain and Prior Service Cost |  | Amortization of Gain on Interest Rate Swap |  | Net Gain (Loss) on Marketable Securities Held in Trust |  | Total
Balance at December 31, 2021 | $ | (1,825.5) |  |  | $ | (72.8) |  |  | $ | 5.2 |  |  | $ | 1.3 |  |  | (1,891.8) |
Other comprehensive income (loss) | (261.1) |  |  | 28.6 |  |  | 2.0 |  |  | (32.4) |  |  | (262.9) |
Tax (expense) or benefit | 6.1 |  |  | (8.9) |  |  | (0.5) |  |  | 7.6 |  |  | 4.3 |
Other comprehensive income (loss), net of tax | (255.0) |  |  | 19.7 |  |  | 1.5 |  |  | (24.8) |  |  | (258.6) |
Less: (Gain) Loss attributable to noncontrolling interest | (1.8) |  |  | — |  |  | — |  |  | — |  |  | (1.8) |
Balance at December 31, 2022 | $ | (2,082.3) |  |  | $ | (53.1) |  |  | $ | 6.7 |  |  | $ | (23.5) |  |  | $ | (2,152.2) |
Other comprehensive income (loss) | 152.0 |  |  | 31.1 |  |  | 1.8 |  |  | 30.6 |  |  | 215.5 |
Tax (expense) or benefit | 2.1 |  |  | (11.0) |  |  | (0.4) |  |  | (6.9) |  |  | (16.2) |
Other comprehensive income (loss), net of tax | 154.1 |  |  | 20.1 |  |  | 1.4 |  |  | 23.7 |  |  | 199.3 |
Less: (Gain) Loss attributable to noncontrolling interest | (2.0) |  |  | — |  |  | — |  |  | — |  |  | (2.0) |
Balance at December 31, 2023 | $ | (1,930.2) |  |  | $ | (33.0) |  |  | $ | 8.1 |  |  | $ | 0.2 |  |  | $ | (1,954.9) |
Other comprehensive income (loss) | (478.6) |  |  | 16.8 |  |  | (0.1) |  |  | (19.6) |  |  | (481.5) |
Tax (expense) or benefit | (17.0) |  |  | (5.9) |  |  | — |  |  | 4.8 |  |  | (18.1) |
Other comprehensive income (loss), net of tax | (495.6) |  |  | 10.9 |  |  | (0.1) |  |  | (14.8) |  |  | (499.6) |
Less: (Gain) Loss attributable to noncontrolling interest | 5.5 |  |  | — |  |  | — |  |  | — |  |  | 5.5 |
Balance at December 31, 2024 | $ | (2,420.3) |  |  | $ | (22.1) |  |  | $ | 8.0 |  |  | $ | (14.6) |  |  | $ | (2,449.0) |

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

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration