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Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Debt

Debt consists of (in millions):

		December 31,
		2019				2018
$1.1 billion in Senior Notes, interest at 3.95% payable    semiannually, principal due on December 1, 2042			1,088				1,088
$0.5 billion in Senior Notes, interest at 3.60% payable    semiannually, principal due on December 1, 2029			493				—
$0.4 billion in Senior Notes, interest at 2.60% payable    semiannually, principal due on December 1, 2022			399				1,394
Other debt			9				—
Long-term debt		$	1,989			$	2,482

Principal Payments of Debt

Principal payments of debt for years subsequent to 2019 are as follows (in millions):

2020			—
2021			—
2022			400
2023			—
2024			—
Thereafter			1,589
		$	1,989

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Principal payments of debt and capital leases.

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Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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