Commitments And Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies [Line Items]

Schedule Of Reconciliation Of Beginning And Ending Accrued Claims

	Accrued
	Self-insured
(In millions)	Claims, Net
Balance as of December 31, 2019	$	111
Provision for self-insured claims		13
Cash payments		(8)
Balance as of March 31, 2020	$	116
Balance as of December 31, 2018	$	111
Provision for self-insured claims		8
Cash payments		(6)
Balance as of March 31, 2019	$	113

Litigated Claims And Non-Litigated Claims [Member]

Commitments and Contingencies [Line Items]

Schedule Of Reconciliation Of Beginning And Ending Accrued Claims

	Accrued
	Termite Damage
(In millions)	Claims
Balance as of December 31, 2019	$	80
Provision for termite damage claims		12
Cash payments		(11)
Balance as of March 31, 2020	$	81
Balance as of December 31, 2018	$	28
Provision for termite damage claims		6
Cash payments		(11)
Balance as of March 31, 2019	$	24