Supplemental Consolidating Data - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Dec. 31, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 3,560,950			$ 833,868	$ 862,381
Accounts receivable, net	232,845			259,334	307,616
Finance receivables, net of allowance of $74,111, $43,006, and $39,964	1,701,478			2,272,522	2,210,001
Inventories, net	322,375			603,571	489,098
Restricted cash	160,155			64,554	79,115
Other current assets	178,931			168,974	140,786
Total current assets	6,156,734			4,202,823	4,088,997
Finance receivables, net of allowance of $334,591, $155,575, and $158,612	5,142,014			5,101,844	5,305,579
Property, plant and equipment, net	785,165			847,382	844,446
Prepaid pension costs	82,378			56,014	0
Goodwill	64,884			64,160	63,727
Deferred income taxes	137,960			101,204	132,019
Lease assets	47,599			61,618	55,905
Other long-term assets	115,541			93,114	85,557
Total assets	12,532,275			10,528,159	10,576,230
Current liabilities:
Accounts payable	289,103			294,380	348,951
Accrued liabilities	591,281			582,288	556,990
Short-term debt	1,227,763			571,995	1,013,137
Current portion of long-term debt, net	2,109,284			1,748,109	1,779,673
Total current liabilities	4,217,431			3,196,772	3,698,751
Long-term debt, net	6,171,676			5,124,826	4,607,041
Lease liabilities	31,225			44,447	39,408
Pension liabilities	57,853			56,138	82,561
Postretirement healthcare benefits	68,379			72,513	89,032
Other long-term liabilities	215,813			229,464	223,218
Commitments and contingencies
Shareholders’ equity	1,769,898	$ 1,623,705	$ 1,691,983	1,803,999	1,836,219	$ 1,910,641	$ 1,797,611	$ 1,773,949
Total liabilities and shareholders' equity	12,532,275			10,528,159	10,576,230
Reportable Legal Entities | HDMC Entities
Current assets:
Cash and cash equivalents	733,704			470,649	482,106
Accounts receivable, net	473,530			369,717	635,997
Finance receivables, net of allowance of $74,111, $43,006, and $39,964	0			0	0
Inventories, net	322,375			603,571	489,098
Restricted cash	0			0	0
Other current assets	81,551			110,145	109,724
Total current assets	1,611,160			1,554,082	1,716,925
Finance receivables, net of allowance of $334,591, $155,575, and $158,612	0			0	0
Property, plant and equipment, net	736,589			794,131	791,107
Prepaid pension costs	82,378			56,014
Goodwill	64,884			64,160	63,727
Deferred income taxes	46,676			62,768	92,921
Lease assets	42,639			55,722	49,706
Other long-term assets	176,873			166,972	157,341
Total assets	2,761,199			2,753,849	2,871,727
Current liabilities:
Accounts payable	265,263			266,710	314,843
Accrued liabilities	424,391			463,491	462,644
Short-term debt	0			0	0
Current portion of long-term debt, net	0			0	0
Total current liabilities	689,654			730,201	777,487
Long-term debt, net	743,806			743,296	743,127
Lease liabilities	26,951			38,783	33,296
Pension liabilities	57,853			56,138	82,561
Postretirement healthcare benefits	68,379			72,513	89,032
Other long-term liabilities	168,037			186,252	180,103
Commitments and contingencies
Shareholders’ equity	1,006,519			926,666	966,121
Total liabilities and shareholders' equity	2,761,199			2,753,849	2,871,727
Reportable Legal Entities | HDFS Entities
Current assets:
Cash and cash equivalents	2,827,246			363,219	380,275
Accounts receivable, net	0			0	0
Finance receivables, net of allowance of $74,111, $43,006, and $39,964	1,701,478			2,272,522	2,210,001
Inventories, net	0			0	0
Restricted cash	160,155			64,554	79,115
Other current assets	102,156			59,665	46,013
Total current assets	4,791,035			2,759,960	2,715,404
Finance receivables, net of allowance of $334,591, $155,575, and $158,612	5,142,014			5,101,844	5,305,579
Property, plant and equipment, net	48,576			53,251	53,339
Prepaid pension costs	0			0
Goodwill	0			0	0
Deferred income taxes	92,318			39,882	40,411
Lease assets	4,960			5,896	6,199
Other long-term assets	32,853			19,211	20,401
Total assets	10,111,756			7,980,044	8,141,333
Current liabilities:
Accounts payable	264,525			138,053	362,489
Accrued liabilities	170,830			119,186	108,719
Short-term debt	1,227,763			571,995	1,013,137
Current portion of long-term debt, net	2,109,284			1,748,109	1,779,673
Total current liabilities	3,772,402			2,577,343	3,264,018
Long-term debt, net	5,427,870			4,381,530	3,863,914
Lease liabilities	4,274			5,664	6,112
Pension liabilities	0			0	0
Postretirement healthcare benefits	0			0	0
Other long-term liabilities	45,256			40,609	40,261
Commitments and contingencies
Shareholders’ equity	861,954			974,898	967,028
Total liabilities and shareholders' equity	10,111,756			7,980,044	8,141,333
Consolidating Adjustments
Current assets:
Cash and cash equivalents	0			0	0
Accounts receivable, net	(240,685)			(110,383)	(328,381)
Finance receivables, net of allowance of $74,111, $43,006, and $39,964	0			0	0
Inventories, net	0			0	0
Restricted cash	0			0	0
Other current assets	(4,776)			(836)	(14,951)
Total current assets	(245,461)			(111,219)	(343,332)
Finance receivables, net of allowance of $334,591, $155,575, and $158,612	0			0	0
Property, plant and equipment, net	0			0	0
Prepaid pension costs	0			0
Goodwill	0			0	0
Deferred income taxes	(1,034)			(1,446)	(1,313)
Lease assets	0			0	0
Other long-term assets	(94,185)			(93,069)	(92,185)
Total assets	(340,680)			(205,734)	(436,830)
Current liabilities:
Accounts payable	(240,685)			(110,383)	(328,381)
Accrued liabilities	(3,940)			(389)	(14,373)
Short-term debt	0			0	0
Current portion of long-term debt, net	0			0	0
Total current liabilities	(244,625)			(110,772)	(342,754)
Long-term debt, net	0			0	0
Lease liabilities	0			0	0
Pension liabilities	0			0	0
Postretirement healthcare benefits	0			0	0
Other long-term liabilities	2,520			2,603	2,854
Commitments and contingencies
Shareholders’ equity	(98,575)			(97,565)	(96,930)
Total liabilities and shareholders' equity	$ (340,680)			$ (205,734)	$ (436,830)