XML 53 R41.htm IDEA: XBRL DOCUMENT v3.26.1

Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Equity [Abstract]
Common Stock, Dividends, Increase (Decrease), Percentage	10.00%
Common Stock, Dividends, Annual Rate Per Share	$ 0.88
Common Stock, Dividends, Quarterly Rate Per Share	0.22
Common Stock, Dividends, Per Share, Cash Paid	$ 0.42
Dividends paid	$ 82	$ 23

X

- Definition

Common Stock, Dividends, Annual Rate Per Share

+ References

No definition available.

+ Details

Name:	sm_CommonStockDividendsAnnualRatePerShare
Namespace Prefix:	sm_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Common Stock, Dividends, Increase (Decrease), Percentage

+ References

No definition available.

+ Details

Name:	sm_CommonStockDividendsIncreaseDecreasePercentage
Namespace Prefix:	sm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Common Stock, Dividends, Quarterly Rate Per Share

+ References

No definition available.

+ Details

Name:	sm_CommonStockDividendsQuarterlyRatePerShare
Namespace Prefix:	sm_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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