Equity (Details 2) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 SFr / shares	Dec. 31, 2021 SFr / shares	Dec. 31, 2020 SFr / shares
Statement of changes in equity [abstract]
Dividends payable, amount per share \| SFr / shares				SFr 3.10	SFr 3.00	SFr 2.95
Dividends recognised as distributions to owners \| $	$ 7,506	$ 7,368	$ 6,987

The amount of dividends recognised as distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 107
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_107&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_DividendsPaid
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration