v3.22.1
Summary of Group's Operating Segment Results (Detail)
¥ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Segment Reporting Information [Line Items]        
Total revenues ¥ 124,493 $ 19,536 ¥ 107,074 ¥ 107,413
Operating costs and expenses:        
Cost of revenues 64,314 10,092 55,158 62,850
Selling, general and administrative 24,723 3,879 18,063 19,910
Research and development 24,938 3,914 19,513 18,346
Total operating costs and expenses 113,975 17,885 92,734 101,106
Operating profit (loss) 10,518 1,651 14,340 6,307
Total other income (loss), net 260 40 8,750 (6,647)
Income (loss) before income taxes 10,778 1,691 23,090 (340)
Income taxes 3,187 500 4,064 1,948
Net income (loss) 7,591 1,191 19,026 (2,288)
Less: net (loss) income attributable to noncontrolling interests (2,635) (414) (3,446) (4,345)
Net income (loss) attributable to Baidu, Inc. 10,226 1,605 22,472 2,057
Operating Segments | Baidu Core        
Segment Reporting Information [Line Items]        
Total revenues 95,163 14,933 78,684 79,711
Operating costs and expenses:        
Cost of revenues 37,838 5,937 28,368 34,019
Selling, general and administrative 20,040 3,145 12,931 14,733
Research and development 22,143 3,475 16,847 15,698
Total operating costs and expenses 80,021 12,557 58,146 64,450
Operating profit (loss) 15,142 2,376 20,538 15,261
Total other income (loss), net 1,793 281 9,693 (5,680)
Income (loss) before income taxes 16,935 2,657 30,231 9,581
Income taxes 3,090 485 4,041 1,896
Net income (loss) 13,845 2,172 26,190 7,685
Less: net (loss) income attributable to noncontrolling interests 288 45 (334) 105
Net income (loss) attributable to Baidu, Inc. 13,557 2,127 26,524 7,580
Operating Segments | iQIYI        
Segment Reporting Information [Line Items]        
Total revenues 30,554 4,795 29,707 28,994
Operating costs and expenses:        
Cost of revenues 27,513 4,317 27,884 30,348
Selling, general and administrative 4,725 742 5,188 5,237
Research and development 2,795 439 2,676 2,667
Total operating costs and expenses 35,033 5,498 35,748 38,252
Operating profit (loss) (4,479) (703) (6,041) (9,258)
Total other income (loss), net (1,533) (241) (943) (967)
Income (loss) before income taxes (6,012) (944) (6,984) (10,225)
Income taxes 97 15 23 52
Net income (loss) (6,109) (959) (7,007) (10,277)
Less: net (loss) income attributable to noncontrolling interests 61 10 31 46
Net income (loss) attributable to Baidu, Inc. (6,170) (969) (7,038) (10,323)
Intersegment Eliminations & Adjustments        
Segment Reporting Information [Line Items]        
Total revenues (1,224) (192) (1,317) (1,292)
Operating costs and expenses:        
Cost of revenues (1,037) (162) (1,094) (1,517)
Selling, general and administrative (42) (8) (56) (60)
Research and development 0 0 (10) (19)
Total operating costs and expenses (1,079) (170) (1,160) (1,596)
Operating profit (loss) (145) (22) (157) 304
Total other income (loss), net 0 0 0 0
Income (loss) before income taxes (145) (22) (157) 304
Income taxes 0 0 0 0
Net income (loss) (145) (22) (157) 304
Less: net (loss) income attributable to noncontrolling interests (2,984) (469) (3,143) (4,496)
Net income (loss) attributable to Baidu, Inc. ¥ 2,839 $ 447 ¥ 2,986 ¥ 4,800