Other receivables

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Other receivables

Note 8. Other receivables

Other receivables of insurance and other businesses are comprised of the following (in millions).

	March 31, 2020			December 31, 2019
Insurance premiums receivable	$	14,699		$	13,379
Reinsurance recoverable on unpaid losses		2,890			2,855
Trade receivables		12,512			12,275
Other		5,208			4,327
Allowances for credit losses		(589	)		(418	)
	$	34,720		$	32,418

Receivables of railroad and utilities and energy businesses are comprised of the following (in millions).

	March 31, 2020			December 31, 2019
Trade receivables	$	2,970		$	3,120
Other		367			388
Allowances for credit losses		(100	)		(91	)
	$	3,237		$	3,417

Provisions for credit losses on receivables summarized in the preceding tables were $211 million in the first quarter of 2020. Trade receivables of utility and energy businesses included unbilled revenue of $550 million and $638 million as of March 31, 2020 and December 31, 2019, respectively.