Supplemental financial information - Other Long-Term Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Restructuring and Related Activities [Abstract]
U.S. CHIPS and Science Act investment tax credit	$ 1,153	$ 395
Other	770	740
Other long-term assets	$ 1,923	$ 1,135

Amount of cumulative government assistance recognized classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483507/832-10-50-3

Name:	us-gaap_GovernmentAssistanceAmountCumulativeNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant