Segment information - Summary of Operating Segments Disclosures - Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	$ 47,469	$ 45,319
Cash and cash equivalents	6,341	5,936	$ 5,783
Other current assets	478	403
Equity method investments	620	649
Assets held for sale	1,268	0
Other noncurrent assets, excluding segment assets	632	607
Total liabilities for reportable segments	25,848	22,279
Other current liabilities, excluding segment liabilities	2,072	1,250
Deferred income tax liabilities	2,738	2,885
Liabilities held for sale	375	0
Other noncurrent liabilities, excluding segment liabilities	2,196	2,208
Operating segments
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	38,868	38,504
Total liabilities for reportable segments	10,169	8,883
Corporate, non-segment
Segment information - Consolidated Balance Sheet
Cash and cash equivalents	6,341	5,936
Other current assets	193	134
Equity method investments	620	649
Assets held for sale	1,268	0
Other noncurrent assets, excluding segment assets	179	96
Other current liabilities, excluding segment liabilities	156	193
Total debt	11,642	9,636
Deferred income tax liabilities	2,738	2,885
Liabilities held for sale	375	0
Other noncurrent liabilities, excluding segment liabilities	768	682
Americas Materials Solutions | Operating segments
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	17,534	17,615
Total liabilities for reportable segments	3,349	2,908
Americas Building Solutions | Operating segments
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	7,961	7,749
Total liabilities for reportable segments	1,770	1,567
Europe Materials Solutions | Operating segments
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	10,983	10,947
Total liabilities for reportable segments	4,096	3,522
Europe Building Solutions | Operating segments
Segment information - Consolidated Balance Sheet
Total assets for reportable segments	2,390	2,193
Total liabilities for reportable segments	$ 954	$ 886