XML 290 R128.htm IDEA: XBRL DOCUMENT v3.22.0.1
Intangible Assets - Summary of Significant Goodwill Amounts (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of information for cash-generating units [line items]    
Goodwill allocated to the cash-generating unit at balance sheet date $ 9,451 $ 9,032
Average EBITDA (as defined)* margin over the initial 5-year period 21.50%  
Americas Cement [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill allocated to the cash-generating unit at balance sheet date $ 2,157 $ 2,155
Discount rate applied to the cash flow projections (real pre-tax) 7.50% 7.70%
Average EBITDA (as defined)* margin over the initial 5-year period 53.80% 48.50%
Value-in-use (present value of future cash flows) $ 10,749 $ 8,103
Excess of value-in-use over carrying amount $ 5,953 $ 3,238
Long-term growth rates 1.80% 1.60%
AMAT South [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill allocated to the cash-generating unit at balance sheet date $ 944 $ 998
Discount rate applied to the cash flow projections (real pre-tax) 8.30% 8.00%
Average EBITDA (as defined)* margin over the initial 5-year period 17.90% 17.80%
Value-in-use (present value of future cash flows) $ 5,041 $ 5,140
Excess of value-in-use over carrying amount $ 2,749 $ 2,492
Long-term growth rates 1.80% 1.60%
Building Products [member]    
Disclosure of information for cash-generating units [line items]    
Goodwill allocated to the cash-generating unit at balance sheet date $ 2,964 $ 2,573
Discount rate applied to the cash flow projections (real pre-tax) 8.30% 8.00%
Average EBITDA (as defined)* margin over the initial 5-year period 19.10% 18.30%
Value-in-use (present value of future cash flows) $ 14,831 $ 12,977
Excess of value-in-use over carrying amount $ 9,191 $ 7,653
Long-term growth rates 1.80% 1.60%