XML 24 R10.htm IDEA: XBRL DOCUMENT
v3.22.1

Accumulated Other Comprehenive Income (Loss) | 3 Months Ended
--- | ---
Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table sets forth the changes in AOCI, net of tax, by component during the three months ended March 31, 2022 and March 31, 2021:
| 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
Three Months Ended March 31, 2022 |  |  |  |  |  |  |  |  |
Balance at December 31, 2021 | $ | (1,825.5) |  |  | $ | (72.8) |  |  | $ | 5.2 |  |  | $ | 1.3 |  |  | $ | (1,891.8) |
Other comprehensive income (loss) | 302.5 |  |  | 0.7 |  |  | 0.5 |  |  | (37.0) |  |  | 266.7 |
Tax (expense) benefit | 2.8 |  |  | (0.3) |  |  | — |  |  | 8.6 |  |  | 11.1 |
Other comprehensive income (loss), net of tax | 305.3 |  |  | 0.4 |  |  | 0.5 |  |  | (28.4) |  |  | 277.8 |
Other comprehensive income (loss) attributable to noncontrolling interest | (4.3) |  |  | — |  |  | — |  |  | — |  |  | (4.3) |
Balance as of March 31, 2022 | $ | (1,524.5) |  |  | $ | (72.4) |  |  | $ | 5.7 |  |  | $ | (27.1) |  |  | $ | (1,618.3) |
Three Months Ended March 31, 2021 |  |  |  |  |  |  |  |  |
Balance at December 31, 2020 | $ | (1,719.1) |  |  | $ | (109.7) |  |  | $ | 3.7 |  |  | $ | 18.9 |  |  | $ | (1,806.2) |
Other comprehensive income (loss) | (114.4) |  |  | 1.3 |  |  | 0.5 |  |  | (17.8) |  |  | (130.4) |
Tax (expense) benefit | 8.3 |  |  | 2.5 |  |  | — |  |  | — |  |  | 10.8 |
Other comprehensive income (loss), net of tax | (106.1) |  |  | 3.8 |  |  | 0.5 |  |  | (17.8) |  |  | (119.6) |
Other comprehensive income (loss) attributable to noncontrolling interest | 2.3 |  |  | — |  |  | — |  |  | — |  |  | 2.3 |
Balance as of March 31, 2021 | $ | (1,822.9) |  |  | $ | (105.9) |  |  | $ | 4.2 |  |  | $ | 1.1 |  |  | $ | (1,923.5) |

X
- Definition Accumulated Other Comprehensive Income (Loss) [Abstract] + References No definition available. + Details
Name: | mos_AccumulatedOtherComprehensiveIncomeLossAbstract
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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration